51128870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{393299}}^1$

素因数の和:393319

約数の個数: 16

約数和(自身を含む): 99111600

約数和(自身を除く): 47982730

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 393299, 786598, 1966495, 3932990, 5112887, 10225774, 25564435, 51128870]

約数ペア:

[(1, 51128870), (2, 25564435), (5, 10225774), (10, 5112887), (13, 3932990), (26, 1966495), (65, 786598), (130, 393299)]