80067820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1291}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 192745728

約数和(自身を除く): 112677908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 886, 1291, 1772, 2215, 2582, 3101, 4430, 5164, 6202, 6455, 8860, 9037, 12404, 12910, 15505, 18074, 25820, 31010, 36148, 45185, 62020, 90370, 180740, 571913, 1143826, 2287652, 2859565, 4003391, 5719130, 8006782, 11438260, 16013564, 20016955, 40033910, 80067820]

約数ペア:

[(1, 80067820), (2, 40033910), (4, 20016955), (5, 16013564), (7, 11438260), (10, 8006782), (14, 5719130), (20, 4003391), (28, 2859565), (35, 2287652), (70, 1143826), (140, 571913), (443, 180740), (886, 90370), (1291, 62020), (1772, 45185), (2215, 36148), (2582, 31010), (3101, 25820), (4430, 18074), (5164, 15505), (6202, 12910), (6455, 12404), (8860, 9037)]