12734480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 33480000

約数和(自身を除く): 20745520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 499, 580, 638, 880, 998, 1160, 1276, 1595, 1996, 2320, 2495, 2552, 3190, 3992, 4990, 5104, 5489, 6380, 7984, 9980, 10978, 12760, 14471, 19960, 21956, 25520, 27445, 28942, 39920, 43912, 54890, 57884, 72355, 87824, 109780, 115768, 144710, 159181, 219560, 231536, 289420, 318362, 439120, 578840, 636724, 795905, 1157680, 1273448, 1591810, 2546896, 3183620, 6367240, 12734480]

約数ペア:

[(1, 12734480), (2, 6367240), (4, 3183620), (5, 2546896), (8, 1591810), (10, 1273448), (11, 1157680), (16, 795905), (20, 636724), (22, 578840), (29, 439120), (40, 318362), (44, 289420), (55, 231536), (58, 219560), (80, 159181), (88, 144710), (110, 115768), (116, 109780), (145, 87824), (176, 72355), (220, 57884), (232, 54890), (290, 43912), (319, 39920), (440, 28942), (464, 27445), (499, 25520), (580, 21956), (638, 19960), (880, 14471), (998, 12760), (1160, 10978), (1276, 9980), (1595, 7984), (1996, 6380), (2320, 5489), (2495, 5104), (2552, 4990), (3190, 3992)]