804934580

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{77249}}^1$

素因数の和:77779

約数の個数: 24

約数和(自身を含む): 1693629000

約数和(自身を除く): 888694420

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 77249, 154498, 308996, 386245, 772490, 1544980, 40246729, 80493458, 160986916, 201233645, 402467290, 804934580]

約数ペア:

[(1, 804934580), (2, 402467290), (4, 201233645), (5, 160986916), (10, 80493458), (20, 40246729), (521, 1544980), (1042, 772490), (2084, 386245), (2605, 308996), (5210, 154498), (10420, 77249)]