68539250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21089}}^1$

素因数の和:21119

約数の個数: 32

約数和(自身を含む): 138181680

約数和(自身を除く): 69642430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21089, 42178, 105445, 210890, 274157, 527225, 548314, 1054450, 1370785, 2636125, 2741570, 5272250, 6853925, 13707850, 34269625, 68539250]

約数ペア:

[(1, 68539250), (2, 34269625), (5, 13707850), (10, 6853925), (13, 5272250), (25, 2741570), (26, 2636125), (50, 1370785), (65, 1054450), (125, 548314), (130, 527225), (250, 274157), (325, 210890), (650, 105445), (1625, 42178), (3250, 21089)]