80450042450

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{8167517}}^1$

素因数の和:8167726

約数の個数: 24

約数和(自身を含む): 150396676452

約数和(自身を除く): 69946634002

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 4925, 9850, 8167517, 16335034, 40837585, 81675170, 204187925, 408375850, 1609000849, 3218001698, 8045004245, 16090008490, 40225021225, 80450042450]

約数ペア:

[(1, 80450042450), (2, 40225021225), (5, 16090008490), (10, 8045004245), (25, 3218001698), (50, 1609000849), (197, 408375850), (394, 204187925), (985, 81675170), (1970, 40837585), (4925, 16335034), (9850, 8167517)]