25620920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1699}}^1$

素因数の和:1752

約数の個数: 64

約数和(自身を含む): 64260000

約数和(自身を除く): 38639080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1699, 1885, 3016, 3398, 3770, 6796, 7540, 8495, 13592, 15080, 16990, 22087, 33980, 44174, 49271, 67960, 88348, 98542, 110435, 176696, 197084, 220870, 246355, 394168, 441740, 492710, 640523, 883480, 985420, 1281046, 1970840, 2562092, 3202615, 5124184, 6405230, 12810460, 25620920]

約数ペア:

[(1, 25620920), (2, 12810460), (4, 6405230), (5, 5124184), (8, 3202615), (10, 2562092), (13, 1970840), (20, 1281046), (26, 985420), (29, 883480), (40, 640523), (52, 492710), (58, 441740), (65, 394168), (104, 246355), (116, 220870), (130, 197084), (145, 176696), (232, 110435), (260, 98542), (290, 88348), (377, 67960), (520, 49271), (580, 44174), (754, 33980), (1160, 22087), (1508, 16990), (1699, 15080), (1885, 13592), (3016, 8495), (3398, 7540), (3770, 6796)]