4013740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 8516592

約数和(自身を除く): 4502852

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1987, 2020, 3974, 7948, 9935, 19870, 39740, 200687, 401374, 802748, 1003435, 2006870, 4013740]

約数ペア:

[(1, 4013740), (2, 2006870), (4, 1003435), (5, 802748), (10, 401374), (20, 200687), (101, 39740), (202, 19870), (404, 9935), (505, 7948), (1010, 3974), (1987, 2020)]