15387620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9739}}^1$

素因数の和:9827

約数の個数: 24

約数和(自身を含む): 32726400

約数和(自身を除く): 17338780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 9739, 19478, 38956, 48695, 97390, 194780, 769381, 1538762, 3077524, 3846905, 7693810, 15387620]

約数ペア:

[(1, 15387620), (2, 7693810), (4, 3846905), (5, 3077524), (10, 1538762), (20, 769381), (79, 194780), (158, 97390), (316, 48695), (395, 38956), (790, 19478), (1580, 9739)]