28230680

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2953}}^1$

素因数の和:3203

約数の個数: 32

約数和(自身を含む): 63806400

約数和(自身を除く): 35575720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 2953, 4780, 5906, 9560, 11812, 14765, 23624, 29530, 59060, 118120, 705767, 1411534, 2823068, 3528835, 5646136, 7057670, 14115340, 28230680]

約数ペア:

[(1, 28230680), (2, 14115340), (4, 7057670), (5, 5646136), (8, 3528835), (10, 2823068), (20, 1411534), (40, 705767), (239, 118120), (478, 59060), (956, 29530), (1195, 23624), (1912, 14765), (2390, 11812), (2953, 9560), (4780, 5906)]