80818988

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{797}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 143582544

約数和(自身を除く): 62763556

約数列:

[1, 2, 4, 101, 202, 251, 404, 502, 797, 1004, 1594, 3188, 25351, 50702, 80497, 101404, 160994, 200047, 321988, 400094, 800188, 20204747, 40409494, 80818988]

約数ペア:

[(1, 80818988), (2, 40409494), (4, 20204747), (101, 800188), (202, 400094), (251, 321988), (404, 200047), (502, 160994), (797, 101404), (1004, 80497), (1594, 50702), (3188, 25351)]