10202980

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1039}}^1$

素因数の和:1539

約数の個数: 24

約数和(自身を含む): 21490560

約数和(自身を除く): 11287580

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1039, 1964, 2078, 2455, 4156, 4910, 5195, 9820, 10390, 20780, 510149, 1020298, 2040596, 2550745, 5101490, 10202980]

約数ペア:

[(1, 10202980), (2, 5101490), (4, 2550745), (5, 2040596), (10, 1020298), (20, 510149), (491, 20780), (982, 10390), (1039, 9820), (1964, 5195), (2078, 4910), (2455, 4156)]