66884080

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8117}}^1$

素因数の和:8233

約数の個数: 40

約数和(自身を含む): 157034592

約数和(自身を除く): 90150512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8117, 8240, 16234, 32468, 40585, 64936, 81170, 129872, 162340, 324680, 649360, 836051, 1672102, 3344204, 4180255, 6688408, 8360510, 13376816, 16721020, 33442040, 66884080]

約数ペア:

[(1, 66884080), (2, 33442040), (4, 16721020), (5, 13376816), (8, 8360510), (10, 6688408), (16, 4180255), (20, 3344204), (40, 1672102), (80, 836051), (103, 649360), (206, 324680), (412, 162340), (515, 129872), (824, 81170), (1030, 64936), (1648, 40585), (2060, 32468), (4120, 16234), (8117, 8240)]