20156989120

素因数分解:

$2^6\times 5^1\times {\mathrm{62990591}}^1$

素因数の和:62990608

約数の個数: 28

約数和(自身を含む): 47998831104

約数和(自身を除く): 27841841984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62990591, 125981182, 251962364, 314952955, 503924728, 629905910, 1007849456, 1259811820, 2015698912, 2519623640, 4031397824, 5039247280, 10078494560, 20156989120]

約数ペア:

[(1, 20156989120), (2, 10078494560), (4, 5039247280), (5, 4031397824), (8, 2519623640), (10, 2015698912), (16, 1259811820), (20, 1007849456), (32, 629905910), (40, 503924728), (64, 314952955), (80, 251962364), (160, 125981182), (320, 62990591)]