133766680

素因数分解:

$2^3\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{2081}}^1$

素因数の和:3699

約数の個数: 32

約数和(自身を含む): 301307040

約数和(自身を除く): 167540360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1607, 2081, 3214, 4162, 6428, 8035, 8324, 10405, 12856, 16070, 16648, 20810, 32140, 41620, 64280, 83240, 3344167, 6688334, 13376668, 16720835, 26753336, 33441670, 66883340, 133766680]

約数ペア:

[(1, 133766680), (2, 66883340), (4, 33441670), (5, 26753336), (8, 16720835), (10, 13376668), (20, 6688334), (40, 3344167), (1607, 83240), (2081, 64280), (3214, 41620), (4162, 32140), (6428, 20810), (8035, 16648), (8324, 16070), (10405, 12856)]