39745180

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1439}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 83583360

約数和(自身を除く): 43838180

約数列:

[1, 2, 4, 5, 10, 20, 1381, 1439, 2762, 2878, 5524, 5756, 6905, 7195, 13810, 14390, 27620, 28780, 1987259, 3974518, 7949036, 9936295, 19872590, 39745180]

約数ペア:

[(1, 39745180), (2, 19872590), (4, 9936295), (5, 7949036), (10, 3974518), (20, 1987259), (1381, 28780), (1439, 27620), (2762, 14390), (2878, 13810), (5524, 7195), (5756, 6905)]