31782006580

素因数分解:

$2^2\times 5^1\times {\mathrm{1589100329}}^1$

素因数の和:1589100338

約数の個数: 12

約数和(自身を含む): 66742213860

約数和(自身を除く): 34960207280

約数列:

[1, 2, 4, 5, 10, 20, 1589100329, 3178200658, 6356401316, 7945501645, 15891003290, 31782006580]

約数ペア:

[(1, 31782006580), (2, 15891003290), (4, 7945501645), (5, 6356401316), (10, 3178200658), (20, 1589100329)]