40124540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64717}}^1$

素因数の和:64757

約数の個数: 24

約数和(自身を含む): 86980992

約数和(自身を除く): 46856452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 64717, 129434, 258868, 323585, 647170, 1294340, 2006227, 4012454, 8024908, 10031135, 20062270, 40124540]

約数ペア:

[(1, 40124540), (2, 20062270), (4, 10031135), (5, 8024908), (10, 4012454), (20, 2006227), (31, 1294340), (62, 647170), (124, 323585), (155, 258868), (310, 129434), (620, 64717)]