870620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 1850688

約数和(自身を除く): 980068

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 431, 505, 862, 1010, 1724, 2020, 2155, 4310, 8620, 43531, 87062, 174124, 217655, 435310, 870620]

約数ペア:

[(1, 870620), (2, 435310), (4, 217655), (5, 174124), (10, 87062), (20, 43531), (101, 8620), (202, 4310), (404, 2155), (431, 2020), (505, 1724), (862, 1010)]