57157720

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5693}}^1$

素因数の和:5955

約数の個数: 32

約数和(自身を含む): 129139920

約数和(自身を除く): 71982200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 5693, 10040, 11386, 22772, 28465, 45544, 56930, 113860, 227720, 1428943, 2857886, 5715772, 7144715, 11431544, 14289430, 28578860, 57157720]

約数ペア:

[(1, 57157720), (2, 28578860), (4, 14289430), (5, 11431544), (8, 7144715), (10, 5715772), (20, 2857886), (40, 1428943), (251, 227720), (502, 113860), (1004, 56930), (1255, 45544), (2008, 28465), (2510, 22772), (5020, 11386), (5693, 10040)]