40392280

素因数分解:

$2^3\times 5^1\times {\mathrm{1009807}}^1$

素因数の和:1009818

約数の個数: 16

約数和(自身を含む): 90882720

約数和(自身を除く): 50490440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009807, 2019614, 4039228, 5049035, 8078456, 10098070, 20196140, 40392280]

約数ペア:

[(1, 40392280), (2, 20196140), (4, 10098070), (5, 8078456), (8, 5049035), (10, 4039228), (20, 2019614), (40, 1009807)]