80812460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{55351}}^1$

素因数の和:55433

約数の個数: 24

約数和(自身を含む): 172034016

約数和(自身を除く): 91221556

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 55351, 110702, 221404, 276755, 553510, 1107020, 4040623, 8081246, 16162492, 20203115, 40406230, 80812460]

約数ペア:

[(1, 80812460), (2, 40406230), (4, 20203115), (5, 16162492), (10, 8081246), (20, 4040623), (73, 1107020), (146, 553510), (292, 276755), (365, 221404), (730, 110702), (1460, 55351)]