31247060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120181}}^1$

素因数の和:120203

約数の個数: 24

約数和(自身を含む): 70667016

約数和(自身を除く): 39419956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120181, 240362, 480724, 600905, 1201810, 1562353, 2403620, 3124706, 6249412, 7811765, 15623530, 31247060]

約数ペア:

[(1, 31247060), (2, 15623530), (4, 7811765), (5, 6249412), (10, 3124706), (13, 2403620), (20, 1562353), (26, 1201810), (52, 600905), (65, 480724), (130, 240362), (260, 120181)]