26998220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2591}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 56827008

約数和(自身を除く): 29828788

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2591, 2605, 5182, 5210, 10364, 10420, 12955, 25910, 51820, 1349911, 2699822, 5399644, 6749555, 13499110, 26998220]

約数ペア:

[(1, 26998220), (2, 13499110), (4, 6749555), (5, 5399644), (10, 2699822), (20, 1349911), (521, 51820), (1042, 25910), (2084, 12955), (2591, 10420), (2605, 10364), (5182, 5210)]