68211680

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1621}}^1$

素因数の和:1899

約数の個数: 48

約数和(自身を含む): 161862624

約数和(自身を除く): 93650944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 526, 1052, 1315, 1621, 2104, 2630, 3242, 4208, 5260, 6484, 8105, 8416, 10520, 12968, 16210, 21040, 25936, 32420, 42080, 51872, 64840, 129680, 259360, 426323, 852646, 1705292, 2131615, 3410584, 4263230, 6821168, 8526460, 13642336, 17052920, 34105840, 68211680]

約数ペア:

[(1, 68211680), (2, 34105840), (4, 17052920), (5, 13642336), (8, 8526460), (10, 6821168), (16, 4263230), (20, 3410584), (32, 2131615), (40, 1705292), (80, 852646), (160, 426323), (263, 259360), (526, 129680), (1052, 64840), (1315, 51872), (1621, 42080), (2104, 32420), (2630, 25936), (3242, 21040), (4208, 16210), (5260, 12968), (6484, 10520), (8105, 8416)]