82538862020

素因数分解:

$2^2\times 5^1\times {\mathrm{4126943101}}^1$

素因数の和:4126943110

約数の個数: 12

約数和(自身を含む): 173331610284

約数和(自身を除く): 90792748264

約数列:

[1, 2, 4, 5, 10, 20, 4126943101, 8253886202, 16507772404, 20634715505, 41269431010, 82538862020]

約数ペア:

[(1, 82538862020), (2, 41269431010), (4, 20634715505), (5, 16507772404), (10, 8253886202), (20, 4126943101)]