99895280

素因数分解:

$2^4\times 5^1\times {\mathrm{1248691}}^1$

素因数の和:1248704

約数の個数: 20

約数和(自身を含む): 232256712

約数和(自身を除く): 132361432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1248691, 2497382, 4994764, 6243455, 9989528, 12486910, 19979056, 24973820, 49947640, 99895280]

約数ペア:

[(1, 99895280), (2, 49947640), (4, 24973820), (5, 19979056), (8, 12486910), (10, 9989528), (16, 6243455), (20, 4994764), (40, 2497382), (80, 1248691)]