65007820

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{2879}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 136684800

約数和(自身を除く): 71676980

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 2879, 4516, 5645, 5758, 11290, 11516, 14395, 22580, 28790, 57580, 3250391, 6500782, 13001564, 16251955, 32503910, 65007820]

約数ペア:

[(1, 65007820), (2, 32503910), (4, 16251955), (5, 13001564), (10, 6500782), (20, 3250391), (1129, 57580), (2258, 28790), (2879, 22580), (4516, 14395), (5645, 11516), (5758, 11290)]