65014480

素因数分解:

$2^4\times 5^1\times {\mathrm{812681}}^1$

素因数の和:812694

約数の個数: 20

約数和(自身を含む): 151158852

約数和(自身を除く): 86144372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 812681, 1625362, 3250724, 4063405, 6501448, 8126810, 13002896, 16253620, 32507240, 65014480]

約数ペア:

[(1, 65014480), (2, 32507240), (4, 16253620), (5, 13002896), (8, 8126810), (10, 6501448), (16, 4063405), (20, 3250724), (40, 1625362), (80, 812681)]