5181020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19927}}^1$

素因数の和:19949

約数の個数: 24

約数和(自身を含む): 11717664

約数和(自身を除く): 6536644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 19927, 39854, 79708, 99635, 199270, 259051, 398540, 518102, 1036204, 1295255, 2590510, 5181020]

約数ペア:

[(1, 5181020), (2, 2590510), (4, 1295255), (5, 1036204), (10, 518102), (13, 398540), (20, 259051), (26, 199270), (52, 99635), (65, 79708), (130, 39854), (260, 19927)]