39443420

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1579}}^1$

素因数の和:2837

約数の個数: 24

約数和(自身を含む): 82950000

約数和(自身を除く): 43506580

約数列:

[1, 2, 4, 5, 10, 20, 1249, 1579, 2498, 3158, 4996, 6245, 6316, 7895, 12490, 15790, 24980, 31580, 1972171, 3944342, 7888684, 9860855, 19721710, 39443420]

約数ペア:

[(1, 39443420), (2, 19721710), (4, 9860855), (5, 7888684), (10, 3944342), (20, 1972171), (1249, 31580), (1579, 24980), (2498, 15790), (3158, 12490), (4996, 7895), (6245, 6316)]