4048420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2851}}^1$

素因数の和:2931

約数の個数: 24

約数和(自身を含む): 8624448

約数和(自身を除く): 4576028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2851, 5702, 11404, 14255, 28510, 57020, 202421, 404842, 809684, 1012105, 2024210, 4048420]

約数ペア:

[(1, 4048420), (2, 2024210), (4, 1012105), (5, 809684), (10, 404842), (20, 202421), (71, 57020), (142, 28510), (284, 14255), (355, 11404), (710, 5702), (1420, 2851)]