25000340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{15823}}^1$

素因数の和:15911

約数の個数: 24

約数和(自身を含む): 53168640

約数和(自身を除く): 28168300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 15823, 31646, 63292, 79115, 158230, 316460, 1250017, 2500034, 5000068, 6250085, 12500170, 25000340]

約数ペア:

[(1, 25000340), (2, 12500170), (4, 6250085), (5, 5000068), (10, 2500034), (20, 1250017), (79, 316460), (158, 158230), (316, 79115), (395, 63292), (790, 31646), (1580, 15823)]