51855205

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 65422080

約数和(自身を除く): 13566875

約数列:

[1, 5, 43, 71, 79, 215, 355, 395, 1849, 3053, 3397, 5609, 9245, 15265, 16985, 28045, 131279, 146071, 241187, 656395, 730355, 1205935, 10371041, 51855205]

約数ペア:

[(1, 51855205), (5, 10371041), (43, 1205935), (71, 730355), (79, 656395), (215, 241187), (355, 146071), (395, 131279), (1849, 28045), (3053, 16985), (3397, 15265), (5609, 9245)]