80724220

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{3797}}^1$

素因数の和:4869

約数の個数: 24

約数和(自身を含む): 169725024

約数和(自身を除く): 89000804

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 3797, 4252, 5315, 7594, 10630, 15188, 18985, 21260, 37970, 75940, 4036211, 8072422, 16144844, 20181055, 40362110, 80724220]

約数ペア:

[(1, 80724220), (2, 40362110), (4, 20181055), (5, 16144844), (10, 8072422), (20, 4036211), (1063, 75940), (2126, 37970), (3797, 21260), (4252, 18985), (5315, 15188), (7594, 10630)]