56403140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25873}}^1$

素因数の和:25991

約数の個数: 24

約数和(自身を含む): 119537880

約数和(自身を除く): 63134740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25873, 51746, 103492, 129365, 258730, 517460, 2820157, 5640314, 11280628, 14100785, 28201570, 56403140]

約数ペア:

[(1, 56403140), (2, 28201570), (4, 14100785), (5, 11280628), (10, 5640314), (20, 2820157), (109, 517460), (218, 258730), (436, 129365), (545, 103492), (1090, 51746), (2180, 25873)]