8343280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 22320000

約数和(自身を除く): 13976720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 499, 760, 836, 880, 998, 1045, 1520, 1672, 1996, 2090, 2495, 3344, 3992, 4180, 4990, 5489, 7984, 8360, 9481, 9980, 10978, 16720, 18962, 19960, 21956, 27445, 37924, 39920, 43912, 47405, 54890, 75848, 87824, 94810, 104291, 109780, 151696, 189620, 208582, 219560, 379240, 417164, 439120, 521455, 758480, 834328, 1042910, 1668656, 2085820, 4171640, 8343280]

約数ペア:

[(1, 8343280), (2, 4171640), (4, 2085820), (5, 1668656), (8, 1042910), (10, 834328), (11, 758480), (16, 521455), (19, 439120), (20, 417164), (22, 379240), (38, 219560), (40, 208582), (44, 189620), (55, 151696), (76, 109780), (80, 104291), (88, 94810), (95, 87824), (110, 75848), (152, 54890), (176, 47405), (190, 43912), (209, 39920), (220, 37924), (304, 27445), (380, 21956), (418, 19960), (440, 18962), (499, 16720), (760, 10978), (836, 9980), (880, 9481), (998, 8360), (1045, 7984), (1520, 5489), (1672, 4990), (1996, 4180), (2090, 3992), (2495, 3344)]