20220400

素因数分解:

$2^4\times 5^2\times {\mathrm{50551}}^1$

素因数の和:50569

約数の個数: 30

約数和(自身を含む): 48580472

約数和(自身を除く): 28360072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50551, 101102, 202204, 252755, 404408, 505510, 808816, 1011020, 1263775, 2022040, 2527550, 4044080, 5055100, 10110200, 20220400]

約数ペア:

[(1, 20220400), (2, 10110200), (4, 5055100), (5, 4044080), (8, 2527550), (10, 2022040), (16, 1263775), (20, 1011020), (25, 808816), (40, 505510), (50, 404408), (80, 252755), (100, 202204), (200, 101102), (400, 50551)]