380420240

素因数分解:

$2^4\times 5^1\times {\mathrm{4755253}}^1$

素因数の和:4755266

約数の個数: 20

約数和(自身を含む): 884477244

約数和(自身を除く): 504057004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4755253, 9510506, 19021012, 23776265, 38042024, 47552530, 76084048, 95105060, 190210120, 380420240]

約数ペア:

[(1, 380420240), (2, 190210120), (4, 95105060), (5, 76084048), (8, 47552530), (10, 38042024), (16, 23776265), (20, 19021012), (40, 9510506), (80, 4755253)]