2522980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1249}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 5355000

約数和(自身を除く): 2832020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1249, 2020, 2498, 4996, 6245, 12490, 24980, 126149, 252298, 504596, 630745, 1261490, 2522980]

約数ペア:

[(1, 2522980), (2, 1261490), (4, 630745), (5, 504596), (10, 252298), (20, 126149), (101, 24980), (202, 12490), (404, 6245), (505, 4996), (1010, 2498), (1249, 2020)]