25974520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 46601480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 239, 247, 260, 286, 380, 418, 440, 478, 494, 520, 572, 715, 760, 836, 956, 988, 1045, 1144, 1195, 1235, 1430, 1672, 1912, 1976, 2090, 2390, 2470, 2629, 2717, 2860, 3107, 4180, 4541, 4780, 4940, 5258, 5434, 5720, 6214, 8360, 9082, 9560, 9880, 10516, 10868, 12428, 13145, 13585, 15535, 18164, 21032, 21736, 22705, 24856, 26290, 27170, 31070, 34177, 36328, 45410, 49951, 52580, 54340, 59033, 62140, 68354, 90820, 99902, 105160, 108680, 118066, 124280, 136708, 170885, 181640, 199804, 236132, 249755, 273416, 295165, 341770, 399608, 472264, 499510, 590330, 649363, 683540, 999020, 1180660, 1298726, 1367080, 1998040, 2361320, 2597452, 3246815, 5194904, 6493630, 12987260, 25974520]

約数ペア:

[(1, 25974520), (2, 12987260), (4, 6493630), (5, 5194904), (8, 3246815), (10, 2597452), (11, 2361320), (13, 1998040), (19, 1367080), (20, 1298726), (22, 1180660), (26, 999020), (38, 683540), (40, 649363), (44, 590330), (52, 499510), (55, 472264), (65, 399608), (76, 341770), (88, 295165), (95, 273416), (104, 249755), (110, 236132), (130, 199804), (143, 181640), (152, 170885), (190, 136708), (209, 124280), (220, 118066), (239, 108680), (247, 105160), (260, 99902), (286, 90820), (380, 68354), (418, 62140), (440, 59033), (478, 54340), (494, 52580), (520, 49951), (572, 45410), (715, 36328), (760, 34177), (836, 31070), (956, 27170), (988, 26290), (1045, 24856), (1144, 22705), (1195, 21736), (1235, 21032), (1430, 18164), (1672, 15535), (1912, 13585), (1976, 13145), (2090, 12428), (2390, 10868), (2470, 10516), (2629, 9880), (2717, 9560), (2860, 9082), (3107, 8360), (4180, 6214), (4541, 5720), (4780, 5434), (4940, 5258)]