91316875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{11239}}^1$

素因数の和:11272

約数の個数: 20

約数和(自身を含む): 122898160

約数和(自身を除く): 31581285

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 11239, 56195, 146107, 280975, 730535, 1404875, 3652675, 7024375, 18263375, 91316875]

約数ペア:

[(1, 91316875), (5, 18263375), (13, 7024375), (25, 3652675), (65, 1404875), (125, 730535), (325, 280975), (625, 146107), (1625, 56195), (8125, 11239)]