71895280

素因数分解:

$2^4\times 5^1\times {\mathrm{898691}}^1$

素因数の和:898704

約数の個数: 20

約数和(自身を含む): 167156712

約数和(自身を除く): 95261432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 898691, 1797382, 3594764, 4493455, 7189528, 8986910, 14379056, 17973820, 35947640, 71895280]

約数ペア:

[(1, 71895280), (2, 35947640), (4, 17973820), (5, 14379056), (8, 8986910), (10, 7189528), (16, 4493455), (20, 3594764), (40, 1797382), (80, 898691)]