90808040

素因数分解:

$2^3\times 5^1\times {\mathrm{2270201}}^1$

素因数の和:2270212

約数の個数: 16

約数和(自身を含む): 204318180

約数和(自身を除く): 113510140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2270201, 4540402, 9080804, 11351005, 18161608, 22702010, 45404020, 90808040]

約数ペア:

[(1, 90808040), (2, 45404020), (4, 22702010), (5, 18161608), (8, 11351005), (10, 9080804), (20, 4540402), (40, 2270201)]