25728698840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:898

約数の個数: 256

約数和(自身を含む): 67669862400

約数和(自身を除く): 41941163560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 65, 71, 82, 92, 104, 115, 130, 142, 164, 184, 205, 230, 260, 284, 299, 328, 355, 410, 460, 520, 533, 568, 598, 710, 739, 820, 920, 923, 943, 1066, 1196, 1420, 1478, 1495, 1633, 1640, 1846, 1886, 2132, 2392, 2665, 2840, 2911, 2956, 2990, 3266, 3692, 3695, 3772, 4264, 4615, 4715, 5330, 5822, 5912, 5980, 6532, 7384, 7390, 7544, 8165, 9230, 9430, 9607, 10660, 11644, 11960, 12259, 13064, 14555, 14780, 16330, 16997, 18460, 18860, 19214, 21229, 21320, 23288, 24518, 29110, 29560, 30299, 32660, 33994, 36920, 37720, 37843, 38428, 42458, 48035, 49036, 52469, 58220, 60598, 61295, 65320, 66953, 67988, 75686, 76856, 84916, 84985, 96070, 98072, 104938, 106145, 116440, 121196, 122590, 133906, 135976, 151372, 151495, 169832, 169970, 189215, 192140, 209876, 212290, 220961, 242392, 245180, 262345, 267812, 302744, 302990, 334765, 339940, 378430, 384280, 393887, 419752, 424580, 441922, 490360, 524690, 535624, 605980, 669530, 679880, 682097, 696877, 756860, 787774, 849160, 870389, 883844, 1049380, 1104805, 1206787, 1211960, 1339060, 1364194, 1393754, 1513720, 1575548, 1740778, 1767688, 1969435, 2098760, 2151229, 2209610, 2413574, 2678120, 2728388, 2787508, 3151096, 3410485, 3481556, 3484385, 3938870, 4302458, 4351945, 4419220, 4827148, 5456776, 5575016, 6033935, 6820970, 6963112, 6968770, 7877740, 8604916, 8703890, 8838440, 9059401, 9654296, 10756145, 12067870, 13641940, 13937540, 15688231, 15755480, 17209832, 17407780, 18118802, 21512290, 24135740, 27283880, 27875080, 27965977, 31376462, 34815560, 36237604, 43024580, 45297005, 48271480, 49478267, 55931954, 62752924, 72475208, 78441155, 86049160, 90594010, 98956534, 111863908, 125505848, 139829885, 156882310, 181188020, 197913068, 223727816, 247391335, 279659770, 313764620, 362376040, 395826136, 494782670, 559319540, 627529240, 643217471, 989565340, 1118639080, 1286434942, 1979130680, 2572869884, 3216087355, 5145739768, 6432174710, 12864349420, 25728698840]

約数ペア:

[(1, 25728698840), (2, 12864349420), (4, 6432174710), (5, 5145739768), (8, 3216087355), (10, 2572869884), (13, 1979130680), (20, 1286434942), (23, 1118639080), (26, 989565340), (40, 643217471), (41, 627529240), (46, 559319540), (52, 494782670), (65, 395826136), (71, 362376040), (82, 313764620), (92, 279659770), (104, 247391335), (115, 223727816), (130, 197913068), (142, 181188020), (164, 156882310), (184, 139829885), (205, 125505848), (230, 111863908), (260, 98956534), (284, 90594010), (299, 86049160), (328, 78441155), (355, 72475208), (410, 62752924), (460, 55931954), (520, 49478267), (533, 48271480), (568, 45297005), (598, 43024580), (710, 36237604), (739, 34815560), (820, 31376462), (920, 27965977), (923, 27875080), (943, 27283880), (1066, 24135740), (1196, 21512290), (1420, 18118802), (1478, 17407780), (1495, 17209832), (1633, 15755480), (1640, 15688231), (1846, 13937540), (1886, 13641940), (2132, 12067870), (2392, 10756145), (2665, 9654296), (2840, 9059401), (2911, 8838440), (2956, 8703890), (2990, 8604916), (3266, 7877740), (3692, 6968770), (3695, 6963112), (3772, 6820970), (4264, 6033935), (4615, 5575016), (4715, 5456776), (5330, 4827148), (5822, 4419220), (5912, 4351945), (5980, 4302458), (6532, 3938870), (7384, 3484385), (7390, 3481556), (7544, 3410485), (8165, 3151096), (9230, 2787508), (9430, 2728388), (9607, 2678120), (10660, 2413574), (11644, 2209610), (11960, 2151229), (12259, 2098760), (13064, 1969435), (14555, 1767688), (14780, 1740778), (16330, 1575548), (16997, 1513720), (18460, 1393754), (18860, 1364194), (19214, 1339060), (21229, 1211960), (21320, 1206787), (23288, 1104805), (24518, 1049380), (29110, 883844), (29560, 870389), (30299, 849160), (32660, 787774), (33994, 756860), (36920, 696877), (37720, 682097), (37843, 679880), (38428, 669530), (42458, 605980), (48035, 535624), (49036, 524690), (52469, 490360), (58220, 441922), (60598, 424580), (61295, 419752), (65320, 393887), (66953, 384280), (67988, 378430), (75686, 339940), (76856, 334765), (84916, 302990), (84985, 302744), (96070, 267812), (98072, 262345), (104938, 245180), (106145, 242392), (116440, 220961), (121196, 212290), (122590, 209876), (133906, 192140), (135976, 189215), (151372, 169970), (151495, 169832)]