28151260

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23857}}^1$

素因数の和:23925

約数の個数: 24

約数和(自身を含む): 60122160

約数和(自身を除く): 31970900

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 23857, 47714, 95428, 119285, 238570, 477140, 1407563, 2815126, 5630252, 7037815, 14075630, 28151260]

約数ペア:

[(1, 28151260), (2, 14075630), (4, 7037815), (5, 5630252), (10, 2815126), (20, 1407563), (59, 477140), (118, 238570), (236, 119285), (295, 95428), (590, 47714), (1180, 23857)]