8271057920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^2$

素因数の和:169

約数の個数: 198

約数和(自身を含む): 21013752798

約数和(自身を除く): 12742694878

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 310, 320, 328, 410, 496, 512, 620, 640, 656, 820, 961, 992, 1024, 1240, 1271, 1280, 1312, 1640, 1681, 1922, 1984, 2480, 2542, 2560, 2624, 3280, 3362, 3844, 3968, 4805, 4960, 5084, 5120, 5248, 6355, 6560, 6724, 7688, 7936, 8405, 9610, 9920, 10168, 10496, 12710, 13120, 13448, 15376, 15872, 16810, 19220, 19840, 20336, 20992, 25420, 26240, 26896, 30752, 31744, 33620, 38440, 39401, 39680, 40672, 41984, 50840, 52111, 52480, 53792, 61504, 67240, 76880, 78802, 79360, 81344, 101680, 104222, 104960, 107584, 123008, 134480, 153760, 157604, 158720, 162688, 197005, 203360, 208444, 209920, 215168, 246016, 260555, 268960, 307520, 315208, 325376, 394010, 406720, 416888, 430336, 492032, 521110, 537920, 615040, 630416, 650752, 788020, 813440, 833776, 860672, 984064, 1042220, 1075840, 1230080, 1260832, 1301504, 1576040, 1615441, 1626880, 1667552, 1721344, 2084440, 2151680, 2460160, 2521664, 3152080, 3230882, 3253760, 3335104, 4168880, 4303360, 4920320, 5043328, 6304160, 6461764, 6507520, 6670208, 8077205, 8337760, 8606720, 10086656, 12608320, 12923528, 13340416, 16154410, 16675520, 20173312, 25216640, 25847056, 26680832, 32308820, 33351040, 40346624, 50433280, 51694112, 53361664, 64617640, 66702080, 100866560, 103388224, 129235280, 133404160, 201733120, 206776448, 258470560, 266808320, 413552896, 516941120, 827105792, 1033882240, 1654211584, 2067764480, 4135528960, 8271057920]

約数ペア:

[(1, 8271057920), (2, 4135528960), (4, 2067764480), (5, 1654211584), (8, 1033882240), (10, 827105792), (16, 516941120), (20, 413552896), (31, 266808320), (32, 258470560), (40, 206776448), (41, 201733120), (62, 133404160), (64, 129235280), (80, 103388224), (82, 100866560), (124, 66702080), (128, 64617640), (155, 53361664), (160, 51694112), (164, 50433280), (205, 40346624), (248, 33351040), (256, 32308820), (310, 26680832), (320, 25847056), (328, 25216640), (410, 20173312), (496, 16675520), (512, 16154410), (620, 13340416), (640, 12923528), (656, 12608320), (820, 10086656), (961, 8606720), (992, 8337760), (1024, 8077205), (1240, 6670208), (1271, 6507520), (1280, 6461764), (1312, 6304160), (1640, 5043328), (1681, 4920320), (1922, 4303360), (1984, 4168880), (2480, 3335104), (2542, 3253760), (2560, 3230882), (2624, 3152080), (3280, 2521664), (3362, 2460160), (3844, 2151680), (3968, 2084440), (4805, 1721344), (4960, 1667552), (5084, 1626880), (5120, 1615441), (5248, 1576040), (6355, 1301504), (6560, 1260832), (6724, 1230080), (7688, 1075840), (7936, 1042220), (8405, 984064), (9610, 860672), (9920, 833776), (10168, 813440), (10496, 788020), (12710, 650752), (13120, 630416), (13448, 615040), (15376, 537920), (15872, 521110), (16810, 492032), (19220, 430336), (19840, 416888), (20336, 406720), (20992, 394010), (25420, 325376), (26240, 315208), (26896, 307520), (30752, 268960), (31744, 260555), (33620, 246016), (38440, 215168), (39401, 209920), (39680, 208444), (40672, 203360), (41984, 197005), (50840, 162688), (52111, 158720), (52480, 157604), (53792, 153760), (61504, 134480), (67240, 123008), (76880, 107584), (78802, 104960), (79360, 104222), (81344, 101680)]