68704360

素因数分解:

$2^3\times 5^1\times {\mathrm{1717609}}^1$

素因数の和:1717620

約数の個数: 16

約数和(自身を含む): 154584900

約数和(自身を除く): 85880540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1717609, 3435218, 6870436, 8588045, 13740872, 17176090, 34352180, 68704360]

約数ペア:

[(1, 68704360), (2, 34352180), (4, 17176090), (5, 13740872), (8, 8588045), (10, 6870436), (20, 3435218), (40, 1717609)]