6720199040

素因数分解:

$2^7\times 5^1\times {\mathrm{10500311}}^1$

素因数の和:10500330

約数の個数: 32

約数和(自身を含む): 16065477360

約数和(自身を除く): 9345278320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 10500311, 21000622, 42001244, 52501555, 84002488, 105003110, 168004976, 210006220, 336009952, 420012440, 672019904, 840024880, 1344039808, 1680049760, 3360099520, 6720199040]

約数ペア:

[(1, 6720199040), (2, 3360099520), (4, 1680049760), (5, 1344039808), (8, 840024880), (10, 672019904), (16, 420012440), (20, 336009952), (32, 210006220), (40, 168004976), (64, 105003110), (80, 84002488), (128, 52501555), (160, 42001244), (320, 21000622), (640, 10500311)]