2018720650

素因数分解:

$2^1\times 5^2\times {\mathrm{40374413}}^1$

素因数の和:40374425

約数の個数: 12

約数和(自身を含む): 3754820502

約数和(自身を除く): 1736099852

約数列:

[1, 2, 5, 10, 25, 50, 40374413, 80748826, 201872065, 403744130, 1009360325, 2018720650]

約数ペア:

[(1, 2018720650), (2, 1009360325), (5, 403744130), (10, 201872065), (25, 80748826), (50, 40374413)]