25902920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5099}}^1$

素因数の和:5237

約数の個数: 32

約数和(自身を含む): 58752000

約数和(自身を除く): 32849080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 5099, 10198, 20396, 25495, 40792, 50990, 101980, 203960, 647573, 1295146, 2590292, 3237865, 5180584, 6475730, 12951460, 25902920]

約数ペア:

[(1, 25902920), (2, 12951460), (4, 6475730), (5, 5180584), (8, 3237865), (10, 2590292), (20, 1295146), (40, 647573), (127, 203960), (254, 101980), (508, 50990), (635, 40792), (1016, 25495), (1270, 20396), (2540, 10198), (5080, 5099)]