80487875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{49531}}^1$

素因数の和:49559

約数の個数: 16

約数和(自身を含む): 108177888

約数和(自身を除く): 27690013

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 49531, 247655, 643903, 1238275, 3219515, 6191375, 16097575, 80487875]

約数ペア:

[(1, 80487875), (5, 16097575), (13, 6191375), (25, 3219515), (65, 1238275), (125, 643903), (325, 247655), (1625, 49531)]