26401804580

素因数分解:

$2^2\times 5^1\times {\mathrm{1320090229}}^1$

素因数の和:1320090238

約数の個数: 12

約数和(自身を含む): 55443789660

約数和(自身を除く): 29041985080

約数列:

[1, 2, 4, 5, 10, 20, 1320090229, 2640180458, 5280360916, 6600451145, 13200902290, 26401804580]

約数ペア:

[(1, 26401804580), (2, 13200902290), (4, 6600451145), (5, 5280360916), (10, 2640180458), (20, 1320090229)]