56545820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39821}}^1$

素因数の和:39901

約数の個数: 24

約数和(自身を含む): 120421728

約数和(自身を除く): 63875908

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 39821, 79642, 159284, 199105, 398210, 796420, 2827291, 5654582, 11309164, 14136455, 28272910, 56545820]

約数ペア:

[(1, 56545820), (2, 28272910), (4, 14136455), (5, 11309164), (10, 5654582), (20, 2827291), (71, 796420), (142, 398210), (284, 199105), (355, 159284), (710, 79642), (1420, 39821)]