40041940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25343}}^1$

素因数の和:25431

約数の個数: 24

約数和(自身を含む): 85155840

約数和(自身を除く): 45113900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25343, 50686, 101372, 126715, 253430, 506860, 2002097, 4004194, 8008388, 10010485, 20020970, 40041940]

約数ペア:

[(1, 40041940), (2, 20020970), (4, 10010485), (5, 8008388), (10, 4004194), (20, 2002097), (79, 506860), (158, 253430), (316, 126715), (395, 101372), (790, 50686), (1580, 25343)]