204150580

素因数分解:

$2^2\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{4049}}^1$

素因数の和:6579

約数の個数: 24

約数和(自身を含む): 428992200

約数和(自身を除く): 224841620

約数列:

[1, 2, 4, 5, 10, 20, 2521, 4049, 5042, 8098, 10084, 12605, 16196, 20245, 25210, 40490, 50420, 80980, 10207529, 20415058, 40830116, 51037645, 102075290, 204150580]

約数ペア:

[(1, 204150580), (2, 102075290), (4, 51037645), (5, 40830116), (10, 20415058), (20, 10207529), (2521, 80980), (4049, 50420), (5042, 40490), (8098, 25210), (10084, 20245), (12605, 16196)]