12561580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15319}}^1$

素因数の和:15369

約数の個数: 24

約数和(自身を含む): 27024480

約数和(自身を除く): 14462900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15319, 30638, 61276, 76595, 153190, 306380, 628079, 1256158, 2512316, 3140395, 6280790, 12561580]

約数ペア:

[(1, 12561580), (2, 6280790), (4, 3140395), (5, 2512316), (10, 1256158), (20, 628079), (41, 306380), (82, 153190), (164, 76595), (205, 61276), (410, 30638), (820, 15319)]