80718620

素因数分解:

$2^2\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{3907}}^1$

素因数の和:4949

約数の個数: 24

約数和(自身を含む): 169716624

約数和(自身を除く): 88998004

約数列:

[1, 2, 4, 5, 10, 20, 1033, 2066, 3907, 4132, 5165, 7814, 10330, 15628, 19535, 20660, 39070, 78140, 4035931, 8071862, 16143724, 20179655, 40359310, 80718620]

約数ペア:

[(1, 80718620), (2, 40359310), (4, 20179655), (5, 16143724), (10, 8071862), (20, 4035931), (1033, 78140), (2066, 39070), (3907, 20660), (4132, 19535), (5165, 15628), (7814, 10330)]