10420240

素因数分解:

$2^4\times 5^1\times {\mathrm{130253}}^1$

素因数の和:130266

約数の個数: 20

約数和(自身を含む): 24227244

約数和(自身を除く): 13807004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 130253, 260506, 521012, 651265, 1042024, 1302530, 2084048, 2605060, 5210120, 10420240]

約数ペア:

[(1, 10420240), (2, 5210120), (4, 2605060), (5, 2084048), (8, 1302530), (10, 1042024), (16, 651265), (20, 521012), (40, 260506), (80, 130253)]