28578860

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5693}}^1$

素因数の和:5953

約数の個数: 24

約数和(自身を含む): 60265296

約数和(自身を除く): 31686436

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 5693, 11386, 22772, 28465, 56930, 113860, 1428943, 2857886, 5715772, 7144715, 14289430, 28578860]

約数ペア:

[(1, 28578860), (2, 14289430), (4, 7144715), (5, 5715772), (10, 2857886), (20, 1428943), (251, 113860), (502, 56930), (1004, 28465), (1255, 22772), (2510, 11386), (5020, 5693)]