85405420

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{7129}}^1$

素因数の和:7737

約数の個数: 24

約数和(自身を含む): 179676000

約数和(自身を除く): 94270580

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 2396, 2995, 5990, 7129, 11980, 14258, 28516, 35645, 71290, 142580, 4270271, 8540542, 17081084, 21351355, 42702710, 85405420]

約数ペア:

[(1, 85405420), (2, 42702710), (4, 21351355), (5, 17081084), (10, 8540542), (20, 4270271), (599, 142580), (1198, 71290), (2396, 35645), (2995, 28516), (5990, 14258), (7129, 11980)]