8125780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31253}}^1$

素因数の和:31275

約数の個数: 24

約数和(自身を含む): 18377352

約数和(自身を除く): 10251572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31253, 62506, 125012, 156265, 312530, 406289, 625060, 812578, 1625156, 2031445, 4062890, 8125780]

約数ペア:

[(1, 8125780), (2, 4062890), (4, 2031445), (5, 1625156), (10, 812578), (13, 625060), (20, 406289), (26, 312530), (52, 156265), (65, 125012), (130, 62506), (260, 31253)]