80966020

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{2473}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 170201304

約数和(自身を除く): 89235284

約数列:

[1, 2, 4, 5, 10, 20, 1637, 2473, 3274, 4946, 6548, 8185, 9892, 12365, 16370, 24730, 32740, 49460, 4048301, 8096602, 16193204, 20241505, 40483010, 80966020]

約数ペア:

[(1, 80966020), (2, 40483010), (4, 20241505), (5, 16193204), (10, 8096602), (20, 4048301), (1637, 49460), (2473, 32740), (3274, 24730), (4946, 16370), (6548, 12365), (8185, 9892)]