78732020

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12577}}^1$

素因数の和:12899

約数の個数: 24

約数和(自身を含む): 165878664

約数和(自身を除く): 87146644

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 12577, 25154, 50308, 62885, 125770, 251540, 3936601, 7873202, 15746404, 19683005, 39366010, 78732020]

約数ペア:

[(1, 78732020), (2, 39366010), (4, 19683005), (5, 15746404), (10, 7873202), (20, 3936601), (313, 251540), (626, 125770), (1252, 62885), (1565, 50308), (3130, 25154), (6260, 12577)]