25949950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 54324648

約数和(自身を除く): 28374698

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 83, 130, 166, 169, 185, 325, 338, 370, 415, 481, 650, 830, 845, 925, 962, 1079, 1690, 1850, 2075, 2158, 2405, 3071, 4150, 4225, 4810, 5395, 6142, 6253, 8450, 10790, 12025, 12506, 14027, 15355, 24050, 26975, 28054, 30710, 31265, 39923, 53950, 62530, 70135, 76775, 79846, 140270, 153550, 156325, 199615, 312650, 350675, 399230, 518999, 701350, 998075, 1037998, 1996150, 2594995, 5189990, 12974975, 25949950]

約数ペア:

[(1, 25949950), (2, 12974975), (5, 5189990), (10, 2594995), (13, 1996150), (25, 1037998), (26, 998075), (37, 701350), (50, 518999), (65, 399230), (74, 350675), (83, 312650), (130, 199615), (166, 156325), (169, 153550), (185, 140270), (325, 79846), (338, 76775), (370, 70135), (415, 62530), (481, 53950), (650, 39923), (830, 31265), (845, 30710), (925, 28054), (962, 26975), (1079, 24050), (1690, 15355), (1850, 14027), (2075, 12506), (2158, 12025), (2405, 10790), (3071, 8450), (4150, 6253), (4225, 6142), (4810, 5395)]