1260990160

素因数分解:

$2^4\times 5^1\times {\mathrm{15762377}}^1$

素因数の和:15762390

約数の個数: 20

約数和(自身を含む): 2931802308

約数和(自身を除く): 1670812148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15762377, 31524754, 63049508, 78811885, 126099016, 157623770, 252198032, 315247540, 630495080, 1260990160]

約数ペア:

[(1, 1260990160), (2, 630495080), (4, 315247540), (5, 252198032), (8, 157623770), (10, 126099016), (16, 78811885), (20, 63049508), (40, 31524754), (80, 15762377)]