42175580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20879}}^1$

素因数の和:20989

約数の個数: 24

約数和(自身を含む): 89449920

約数和(自身を除く): 47274340

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 20879, 41758, 83516, 104395, 208790, 417580, 2108779, 4217558, 8435116, 10543895, 21087790, 42175580]

約数ペア:

[(1, 42175580), (2, 21087790), (4, 10543895), (5, 8435116), (10, 4217558), (20, 2108779), (101, 417580), (202, 208790), (404, 104395), (505, 83516), (1010, 41758), (2020, 20879)]