51628420

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{4091}}^1$

素因数の和:4731

約数の個数: 24

約数和(自身を含む): 108618048

約数和(自身を除く): 56989628

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 4091, 6310, 8182, 12620, 16364, 20455, 40910, 81820, 2581421, 5162842, 10325684, 12907105, 25814210, 51628420]

約数ペア:

[(1, 51628420), (2, 25814210), (4, 12907105), (5, 10325684), (10, 5162842), (20, 2581421), (631, 81820), (1262, 40910), (2524, 20455), (3155, 16364), (4091, 12620), (6310, 8182)]