431140240

素因数分解:

$2^4\times 5^1\times {\mathrm{5389253}}^1$

素因数の和:5389266

約数の個数: 20

約数和(自身を含む): 1002401244

約数和(自身を除く): 571261004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5389253, 10778506, 21557012, 26946265, 43114024, 53892530, 86228048, 107785060, 215570120, 431140240]

約数ペア:

[(1, 431140240), (2, 215570120), (4, 107785060), (5, 86228048), (8, 53892530), (10, 43114024), (16, 26946265), (20, 21557012), (40, 10778506), (80, 5389253)]