31426460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120871}}^1$

素因数の和:120893

約数の個数: 24

約数和(自身を含む): 71072736

約数和(自身を除く): 39646276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120871, 241742, 483484, 604355, 1208710, 1571323, 2417420, 3142646, 6285292, 7856615, 15713230, 31426460]

約数ペア:

[(1, 31426460), (2, 15713230), (4, 7856615), (5, 6285292), (10, 3142646), (13, 2417420), (20, 1571323), (26, 1208710), (52, 604355), (65, 483484), (130, 241742), (260, 120871)]