25689680

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1013}}^1$

素因数の和:1343

約数の個数: 40

約数和(自身を含む): 59976072

約数和(自身を除く): 34286392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1013, 1268, 1585, 2026, 2536, 3170, 4052, 5065, 5072, 6340, 8104, 10130, 12680, 16208, 20260, 25360, 40520, 81040, 321121, 642242, 1284484, 1605605, 2568968, 3211210, 5137936, 6422420, 12844840, 25689680]

約数ペア:

[(1, 25689680), (2, 12844840), (4, 6422420), (5, 5137936), (8, 3211210), (10, 2568968), (16, 1605605), (20, 1284484), (40, 642242), (80, 321121), (317, 81040), (634, 40520), (1013, 25360), (1268, 20260), (1585, 16208), (2026, 12680), (2536, 10130), (3170, 8104), (4052, 6340), (5065, 5072)]