1327990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 24

約数和(自身を含む): 2481120

約数和(自身を除く): 1153130

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 1681, 3239, 3362, 6478, 8405, 16195, 16810, 32390, 132799, 265598, 663995, 1327990]

約数ペア:

[(1, 1327990), (2, 663995), (5, 265598), (10, 132799), (41, 32390), (79, 16810), (82, 16195), (158, 8405), (205, 6478), (395, 3362), (410, 3239), (790, 1681)]