80627620

素因数分解:

$2^2\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{2647}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 169493184

約数和(自身を除く): 88865564

約数列:

[1, 2, 4, 5, 10, 20, 1523, 2647, 3046, 5294, 6092, 7615, 10588, 13235, 15230, 26470, 30460, 52940, 4031381, 8062762, 16125524, 20156905, 40313810, 80627620]

約数ペア:

[(1, 80627620), (2, 40313810), (4, 20156905), (5, 16125524), (10, 8062762), (20, 4031381), (1523, 52940), (2647, 30460), (3046, 26470), (5294, 15230), (6092, 13235), (7615, 10588)]