2639170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 24

約数和(自身を含む): 4900212

約数和(自身を除く): 2261042

約数列:

[1, 2, 5, 10, 41, 82, 157, 205, 314, 410, 785, 1570, 1681, 3362, 6437, 8405, 12874, 16810, 32185, 64370, 263917, 527834, 1319585, 2639170]

約数ペア:

[(1, 2639170), (2, 1319585), (5, 527834), (10, 263917), (41, 64370), (82, 32185), (157, 16810), (205, 12874), (314, 8405), (410, 6437), (785, 3362), (1570, 1681)]