258528021160

素因数分解:

$2^3\times 5^1\times {\mathrm{6463200529}}^1$

素因数の和:6463200540

約数の個数: 16

約数和(自身を含む): 581688047700

約数和(自身を除く): 323160026540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6463200529, 12926401058, 25852802116, 32316002645, 51705604232, 64632005290, 129264010580, 258528021160]

約数ペア:

[(1, 258528021160), (2, 129264010580), (4, 64632005290), (5, 51705604232), (8, 32316002645), (10, 25852802116), (20, 12926401058), (40, 6463200529)]