818680592020

素因数分解:

$2^2\times 5^1\times {\mathrm{40934029601}}^1$

素因数の和:40934029610

約数の個数: 12

約数和(自身を含む): 1719229243284

約数和(自身を除く): 900548651264

約数列:

[1, 2, 4, 5, 10, 20, 40934029601, 81868059202, 163736118404, 204670148005, 409340296010, 818680592020]

約数ペア:

[(1, 818680592020), (2, 409340296010), (4, 204670148005), (5, 163736118404), (10, 81868059202), (20, 40934029601)]