2019045025

素因数分解:

$5^2\times {\mathrm{401}}^1\times {\mathrm{201401}}^1$

素因数の和:201812

約数の個数: 12

約数和(自身を含む): 2509871724

約数和(自身を除く): 490826699

約数列:

[1, 5, 25, 401, 2005, 10025, 201401, 1007005, 5035025, 80761801, 403809005, 2019045025]

約数ペア:

[(1, 2019045025), (5, 403809005), (25, 80761801), (401, 5035025), (2005, 1007005), (10025, 201401)]