25438920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:759

約数の個数: 128

約数和(自身を含む): 85881600

約数和(自身を除く): 60442680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 709, 780, 897, 920, 1196, 1380, 1418, 1495, 1560, 1794, 2127, 2392, 2760, 2836, 2990, 3545, 3588, 4254, 4485, 5672, 5980, 7090, 7176, 8508, 8970, 9217, 10635, 11960, 14180, 16307, 17016, 17940, 18434, 21270, 27651, 28360, 32614, 35880, 36868, 42540, 46085, 48921, 55302, 65228, 73736, 81535, 85080, 92170, 97842, 110604, 130456, 138255, 163070, 184340, 195684, 211991, 221208, 244605, 276510, 326140, 368680, 391368, 423982, 489210, 553020, 635973, 652280, 847964, 978420, 1059955, 1106040, 1271946, 1695928, 1956840, 2119910, 2543892, 3179865, 4239820, 5087784, 6359730, 8479640, 12719460, 25438920]

約数ペア:

[(1, 25438920), (2, 12719460), (3, 8479640), (4, 6359730), (5, 5087784), (6, 4239820), (8, 3179865), (10, 2543892), (12, 2119910), (13, 1956840), (15, 1695928), (20, 1271946), (23, 1106040), (24, 1059955), (26, 978420), (30, 847964), (39, 652280), (40, 635973), (46, 553020), (52, 489210), (60, 423982), (65, 391368), (69, 368680), (78, 326140), (92, 276510), (104, 244605), (115, 221208), (120, 211991), (130, 195684), (138, 184340), (156, 163070), (184, 138255), (195, 130456), (230, 110604), (260, 97842), (276, 92170), (299, 85080), (312, 81535), (345, 73736), (390, 65228), (460, 55302), (520, 48921), (552, 46085), (598, 42540), (690, 36868), (709, 35880), (780, 32614), (897, 28360), (920, 27651), (1196, 21270), (1380, 18434), (1418, 17940), (1495, 17016), (1560, 16307), (1794, 14180), (2127, 11960), (2392, 10635), (2760, 9217), (2836, 8970), (2990, 8508), (3545, 7176), (3588, 7090), (4254, 5980), (4485, 5672)]