15699920

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^2$

素因数の和:899

約数の個数: 30

約数和(自身を含む): 36584898

約数和(自身を除く): 20884978

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 17720, 35440, 196249, 392498, 784996, 981245, 1569992, 1962490, 3139984, 3924980, 7849960, 15699920]

約数ペア:

[(1, 15699920), (2, 7849960), (4, 3924980), (5, 3139984), (8, 1962490), (10, 1569992), (16, 981245), (20, 784996), (40, 392498), (80, 196249), (443, 35440), (886, 17720), (1772, 8860), (2215, 7088), (3544, 4430)]