82904162020

素因数分解:

$2^2\times 5^1\times {\mathrm{4145208101}}^1$

素因数の和:4145208110

約数の個数: 12

約数和(自身を含む): 174098740284

約数和(自身を除く): 91194578264

約数列:

[1, 2, 4, 5, 10, 20, 4145208101, 8290416202, 16580832404, 20726040505, 41452081010, 82904162020]

約数ペア:

[(1, 82904162020), (2, 41452081010), (4, 20726040505), (5, 16580832404), (10, 8290416202), (20, 4145208101)]