77889260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{49297}}^1$

素因数の和:49385

約数の個数: 24

約数和(自身を含む): 165641280

約数和(自身を除く): 87752020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 49297, 98594, 197188, 246485, 492970, 985940, 3894463, 7788926, 15577852, 19472315, 38944630, 77889260]

約数ペア:

[(1, 77889260), (2, 38944630), (4, 19472315), (5, 15577852), (10, 7788926), (20, 3894463), (79, 985940), (158, 492970), (316, 246485), (395, 197188), (790, 98594), (1580, 49297)]