80507660

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{2459}}^1$

素因数の和:4105

約数の個数: 24

約数和(自身を含む): 169238160

約数和(自身を除く): 88730500

約数列:

[1, 2, 4, 5, 10, 20, 1637, 2459, 3274, 4918, 6548, 8185, 9836, 12295, 16370, 24590, 32740, 49180, 4025383, 8050766, 16101532, 20126915, 40253830, 80507660]

約数ペア:

[(1, 80507660), (2, 40253830), (4, 20126915), (5, 16101532), (10, 8050766), (20, 4025383), (1637, 49180), (2459, 32740), (3274, 24590), (4918, 16370), (6548, 12295), (8185, 9836)]