200819560

素因数分解:

$2^3\times 5^1\times {\mathrm{5020489}}^1$

素因数の和:5020500

約数の個数: 16

約数和(自身を含む): 451844100

約数和(自身を除く): 251024540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5020489, 10040978, 20081956, 25102445, 40163912, 50204890, 100409780, 200819560]

約数ペア:

[(1, 200819560), (2, 100409780), (4, 50204890), (5, 40163912), (8, 25102445), (10, 20081956), (20, 10040978), (40, 5020489)]