57251870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{440399}}^1$

素因数の和:440419

約数の個数: 16

約数和(自身を含む): 110980800

約数和(自身を除く): 53728930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 440399, 880798, 2201995, 4403990, 5725187, 11450374, 28625935, 57251870]

約数ペア:

[(1, 57251870), (2, 28625935), (5, 11450374), (10, 5725187), (13, 4403990), (26, 2201995), (65, 880798), (130, 440399)]