520161140

素因数分解:

$2^2\times 5^1\times {\mathrm{26008057}}^1$

素因数の和:26008066

約数の個数: 12

約数和(自身を含む): 1092338436

約数和(自身を除く): 572177296

約数列:

[1, 2, 4, 5, 10, 20, 26008057, 52016114, 104032228, 130040285, 260080570, 520161140]

約数ペア:

[(1, 520161140), (2, 260080570), (4, 130040285), (5, 104032228), (10, 52016114), (20, 26008057)]