87857480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27803}}^1$

素因数の和:27893

約数の個数: 32

約数和(自身を含む): 200188800

約数和(自身を除く): 112331320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 27803, 55606, 111212, 139015, 222424, 278030, 556060, 1112120, 2196437, 4392874, 8785748, 10982185, 17571496, 21964370, 43928740, 87857480]

約数ペア:

[(1, 87857480), (2, 43928740), (4, 21964370), (5, 17571496), (8, 10982185), (10, 8785748), (20, 4392874), (40, 2196437), (79, 1112120), (158, 556060), (316, 278030), (395, 222424), (632, 139015), (790, 111212), (1580, 55606), (3160, 27803)]