70641980

素因数分解:

$2^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{2753}}^1$

素因数の和:4045

約数の個数: 24

約数和(自身を含む): 148517712

約数和(自身を除く): 77875732

約数列:

[1, 2, 4, 5, 10, 20, 1283, 2566, 2753, 5132, 5506, 6415, 11012, 12830, 13765, 25660, 27530, 55060, 3532099, 7064198, 14128396, 17660495, 35320990, 70641980]

約数ペア:

[(1, 70641980), (2, 35320990), (4, 17660495), (5, 14128396), (10, 7064198), (20, 3532099), (1283, 55060), (2566, 27530), (2753, 25660), (5132, 13765), (5506, 12830), (6415, 11012)]