79947020

素因数分解:

$2^2\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{2339}}^1$

素因数の和:4057

約数の個数: 24

約数和(自身を含む): 168058800

約数和(自身を除く): 88111780

約数列:

[1, 2, 4, 5, 10, 20, 1709, 2339, 3418, 4678, 6836, 8545, 9356, 11695, 17090, 23390, 34180, 46780, 3997351, 7994702, 15989404, 19986755, 39973510, 79947020]

約数ペア:

[(1, 79947020), (2, 39973510), (4, 19986755), (5, 15989404), (10, 7994702), (20, 3997351), (1709, 46780), (2339, 34180), (3418, 23390), (4678, 17090), (6836, 11695), (8545, 9356)]