68289580

素因数分解:

$2^2\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{1873}}^1$

素因数の和:3705

約数の個数: 24

約数和(自身を含む): 143563392

約数和(自身を除く): 75273812

約数列:

[1, 2, 4, 5, 10, 20, 1823, 1873, 3646, 3746, 7292, 7492, 9115, 9365, 18230, 18730, 36460, 37460, 3414479, 6828958, 13657916, 17072395, 34144790, 68289580]

約数ペア:

[(1, 68289580), (2, 34144790), (4, 17072395), (5, 13657916), (10, 6828958), (20, 3414479), (1823, 37460), (1873, 36460), (3646, 18730), (3746, 18230), (7292, 9365), (7492, 9115)]