680122010

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{166289}}^1$

素因数の和:166705

約数の個数: 16

約数和(自身を含む): 1227220200

約数和(自身を除く): 547098190

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 166289, 332578, 831445, 1662890, 68012201, 136024402, 340061005, 680122010]

約数ペア:

[(1, 680122010), (2, 340061005), (5, 136024402), (10, 68012201), (409, 1662890), (818, 831445), (2045, 332578), (4090, 166289)]