7128580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3529}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 15122520

約数和(自身を除く): 7993940

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 3529, 7058, 14116, 17645, 35290, 70580, 356429, 712858, 1425716, 1782145, 3564290, 7128580]

約数ペア:

[(1, 7128580), (2, 3564290), (4, 1782145), (5, 1425716), (10, 712858), (20, 356429), (101, 70580), (202, 35290), (404, 17645), (505, 14116), (1010, 7058), (2020, 3529)]