20222800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3889}}^1$

素因数の和:3920

約数の個数: 60

約数和(自身を含む): 52336060

約数和(自身を除く): 32113260

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3889, 5200, 7778, 15556, 19445, 31112, 38890, 50557, 62224, 77780, 97225, 101114, 155560, 194450, 202228, 252785, 311120, 388900, 404456, 505570, 777800, 808912, 1011140, 1263925, 1555600, 2022280, 2527850, 4044560, 5055700, 10111400, 20222800]

約数ペア:

[(1, 20222800), (2, 10111400), (4, 5055700), (5, 4044560), (8, 2527850), (10, 2022280), (13, 1555600), (16, 1263925), (20, 1011140), (25, 808912), (26, 777800), (40, 505570), (50, 404456), (52, 388900), (65, 311120), (80, 252785), (100, 202228), (104, 194450), (130, 155560), (200, 101114), (208, 97225), (260, 77780), (325, 62224), (400, 50557), (520, 38890), (650, 31112), (1040, 19445), (1300, 15556), (2600, 7778), (3889, 5200)]