12993800

素因数分解:

$2^3\times 5^2\times {\mathrm{64969}}^1$

素因数の和:64985

約数の個数: 24

約数和(自身を含む): 30211050

約数和(自身を除く): 17217250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64969, 129938, 259876, 324845, 519752, 649690, 1299380, 1624225, 2598760, 3248450, 6496900, 12993800]

約数ペア:

[(1, 12993800), (2, 6496900), (4, 3248450), (5, 2598760), (8, 1624225), (10, 1299380), (20, 649690), (25, 519752), (40, 324845), (50, 259876), (100, 129938), (200, 64969)]