56566280

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1427}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 127491840

約数和(自身を除く): 70925560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1427, 1982, 2854, 3964, 4955, 5708, 7135, 7928, 9910, 11416, 14270, 19820, 28540, 39640, 57080, 1414157, 2828314, 5656628, 7070785, 11313256, 14141570, 28283140, 56566280]

約数ペア:

[(1, 56566280), (2, 28283140), (4, 14141570), (5, 11313256), (8, 7070785), (10, 5656628), (20, 2828314), (40, 1414157), (991, 57080), (1427, 39640), (1982, 28540), (2854, 19820), (3964, 14270), (4955, 11416), (5708, 9910), (7135, 7928)]