8670520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 20247480

約数和(自身を除く): 11576960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1420, 1720, 2840, 3053, 5041, 6106, 10082, 12212, 15265, 20164, 24424, 25205, 30530, 40328, 50410, 61060, 100820, 122120, 201640, 216763, 433526, 867052, 1083815, 1734104, 2167630, 4335260, 8670520]

約数ペア:

[(1, 8670520), (2, 4335260), (4, 2167630), (5, 1734104), (8, 1083815), (10, 867052), (20, 433526), (40, 216763), (43, 201640), (71, 122120), (86, 100820), (142, 61060), (172, 50410), (215, 40328), (284, 30530), (344, 25205), (355, 24424), (430, 20164), (568, 15265), (710, 12212), (860, 10082), (1420, 6106), (1720, 5041), (2840, 3053)]