8187260

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{977}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 17251920

約数和(自身を除く): 9064660

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 977, 1676, 1954, 2095, 3908, 4190, 4885, 8380, 9770, 19540, 409363, 818726, 1637452, 2046815, 4093630, 8187260]

約数ペア:

[(1, 8187260), (2, 4093630), (4, 2046815), (5, 1637452), (10, 818726), (20, 409363), (419, 19540), (838, 9770), (977, 8380), (1676, 4885), (1954, 4190), (2095, 3908)]