71267620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{35281}}^1$

素因数の和:35391

約数の個数: 24

約数和(自身を含む): 151148088

約数和(自身を除く): 79880468

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 35281, 70562, 141124, 176405, 352810, 705620, 3563381, 7126762, 14253524, 17816905, 35633810, 71267620]

約数ペア:

[(1, 71267620), (2, 35633810), (4, 17816905), (5, 14253524), (10, 7126762), (20, 3563381), (101, 705620), (202, 352810), (404, 176405), (505, 141124), (1010, 70562), (2020, 35281)]