2020240

素因数分解:

$2^4\times 5^1\times {\mathrm{25253}}^1$

素因数の和:25266

約数の個数: 20

約数和(自身を含む): 4697244

約数和(自身を除く): 2677004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25253, 50506, 101012, 126265, 202024, 252530, 404048, 505060, 1010120, 2020240]

約数ペア:

[(1, 2020240), (2, 1010120), (4, 505060), (5, 404048), (8, 252530), (10, 202024), (16, 126265), (20, 101012), (40, 50506), (80, 25253)]