89723140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{345089}}^1$

素因数の和:345111

約数の個数: 24

約数和(自身を含む): 202912920

約数和(自身を除く): 113189780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 345089, 690178, 1380356, 1725445, 3450890, 4486157, 6901780, 8972314, 17944628, 22430785, 44861570, 89723140]

約数ペア:

[(1, 89723140), (2, 44861570), (4, 22430785), (5, 17944628), (10, 8972314), (13, 6901780), (20, 4486157), (26, 3450890), (52, 1725445), (65, 1380356), (130, 690178), (260, 345089)]