404221004020

素因数分解:

$2^2\times 5^1\times {\mathrm{20211050201}}^1$

素因数の和:20211050210

約数の個数: 12

約数和(自身を含む): 848864108484

約数和(自身を除く): 444643104464

約数列:

[1, 2, 4, 5, 10, 20, 20211050201, 40422100402, 80844200804, 101055251005, 202110502010, 404221004020]

約数ペア:

[(1, 404221004020), (2, 202110502010), (4, 101055251005), (5, 80844200804), (10, 40422100402), (20, 20211050201)]