15972140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7907}}^1$

素因数の和:8017

約数の個数: 24

約数和(自身を含む): 33877872

約数和(自身を除く): 17905732

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 7907, 15814, 31628, 39535, 79070, 158140, 798607, 1597214, 3194428, 3993035, 7986070, 15972140]

約数ペア:

[(1, 15972140), (2, 7986070), (4, 3993035), (5, 3194428), (10, 1597214), (20, 798607), (101, 158140), (202, 79070), (404, 39535), (505, 31628), (1010, 15814), (2020, 7907)]