12990200

素因数分解:

$2^3\times 5^2\times {\mathrm{64951}}^1$

素因数の和:64967

約数の個数: 24

約数和(自身を含む): 30202680

約数和(自身を除く): 17212480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64951, 129902, 259804, 324755, 519608, 649510, 1299020, 1623775, 2598040, 3247550, 6495100, 12990200]

約数ペア:

[(1, 12990200), (2, 6495100), (4, 3247550), (5, 2598040), (8, 1623775), (10, 1299020), (20, 649510), (25, 519608), (40, 324755), (50, 259804), (100, 129902), (200, 64951)]