39548420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27851}}^1$

素因数の和:27931

約数の個数: 24

約数和(自身を含む): 84224448

約数和(自身を除く): 44676028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27851, 55702, 111404, 139255, 278510, 557020, 1977421, 3954842, 7909684, 9887105, 19774210, 39548420]

約数ペア:

[(1, 39548420), (2, 19774210), (4, 9887105), (5, 7909684), (10, 3954842), (20, 1977421), (71, 557020), (142, 278510), (284, 139255), (355, 111404), (710, 55702), (1420, 27851)]