140020240

素因数分解:

$2^4\times 5^1\times {\mathrm{1750253}}^1$

素因数の和:1750266

約数の個数: 20

約数和(自身を含む): 325547244

約数和(自身を除く): 185527004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1750253, 3500506, 7001012, 8751265, 14002024, 17502530, 28004048, 35005060, 70010120, 140020240]

約数ペア:

[(1, 140020240), (2, 70010120), (4, 35005060), (5, 28004048), (8, 17502530), (10, 14002024), (16, 8751265), (20, 7001012), (40, 3500506), (80, 1750253)]