27846440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2647}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 62916480

約数和(自身を除く): 35070040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 2647, 5260, 5294, 10520, 10588, 13235, 21176, 26470, 52940, 105880, 696161, 1392322, 2784644, 3480805, 5569288, 6961610, 13923220, 27846440]

約数ペア:

[(1, 27846440), (2, 13923220), (4, 6961610), (5, 5569288), (8, 3480805), (10, 2784644), (20, 1392322), (40, 696161), (263, 105880), (526, 52940), (1052, 26470), (1315, 21176), (2104, 13235), (2630, 10588), (2647, 10520), (5260, 5294)]