25878840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 85458240

約数和(自身を除く): 59579400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 313, 318, 390, 424, 520, 530, 626, 636, 689, 780, 795, 939, 1060, 1252, 1272, 1378, 1560, 1565, 1590, 1878, 2067, 2120, 2504, 2756, 3130, 3180, 3445, 3756, 4069, 4134, 4695, 5512, 6260, 6360, 6890, 7512, 8138, 8268, 9390, 10335, 12207, 12520, 13780, 16276, 16536, 16589, 18780, 20345, 20670, 24414, 27560, 32552, 33178, 37560, 40690, 41340, 48828, 49767, 61035, 66356, 81380, 82680, 82945, 97656, 99534, 122070, 132712, 162760, 165890, 199068, 215657, 244140, 248835, 331780, 398136, 431314, 488280, 497670, 646971, 663560, 862628, 995340, 1078285, 1293942, 1725256, 1990680, 2156570, 2587884, 3234855, 4313140, 5175768, 6469710, 8626280, 12939420, 25878840]

約数ペア:

[(1, 25878840), (2, 12939420), (3, 8626280), (4, 6469710), (5, 5175768), (6, 4313140), (8, 3234855), (10, 2587884), (12, 2156570), (13, 1990680), (15, 1725256), (20, 1293942), (24, 1078285), (26, 995340), (30, 862628), (39, 663560), (40, 646971), (52, 497670), (53, 488280), (60, 431314), (65, 398136), (78, 331780), (104, 248835), (106, 244140), (120, 215657), (130, 199068), (156, 165890), (159, 162760), (195, 132712), (212, 122070), (260, 99534), (265, 97656), (312, 82945), (313, 82680), (318, 81380), (390, 66356), (424, 61035), (520, 49767), (530, 48828), (626, 41340), (636, 40690), (689, 37560), (780, 33178), (795, 32552), (939, 27560), (1060, 24414), (1252, 20670), (1272, 20345), (1378, 18780), (1560, 16589), (1565, 16536), (1590, 16276), (1878, 13780), (2067, 12520), (2120, 12207), (2504, 10335), (2756, 9390), (3130, 8268), (3180, 8138), (3445, 7512), (3756, 6890), (4069, 6360), (4134, 6260), (4695, 5512)]