2019999050

素因数分解:

$2^1\times 5^2\times {\mathrm{40399981}}^1$

素因数の和:40399993

約数の個数: 12

約数和(自身を含む): 3757198326

約数和(自身を除く): 1737199276

約数列:

[1, 2, 5, 10, 25, 50, 40399981, 80799962, 201999905, 403999810, 1009999525, 2019999050]

約数ペア:

[(1, 2019999050), (2, 1009999525), (5, 403999810), (10, 201999905), (25, 80799962), (50, 40399981)]