815701360

素因数分解:

$2^4\times 5^1\times {\mathrm{10196267}}^1$

素因数の和:10196280

約数の個数: 20

約数和(自身を含む): 1896505848

約数和(自身を除く): 1080804488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10196267, 20392534, 40785068, 50981335, 81570136, 101962670, 163140272, 203925340, 407850680, 815701360]

約数ペア:

[(1, 815701360), (2, 407850680), (4, 203925340), (5, 163140272), (8, 101962670), (10, 81570136), (16, 50981335), (20, 40785068), (40, 20392534), (80, 10196267)]