13876240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 37497600

約数和(自身を除く): 23621360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 349, 355, 497, 560, 568, 698, 710, 994, 1136, 1396, 1420, 1745, 1988, 2443, 2485, 2792, 2840, 3490, 3976, 4886, 4970, 5584, 5680, 6980, 7952, 9772, 9940, 12215, 13960, 19544, 19880, 24430, 24779, 27920, 39088, 39760, 48860, 49558, 97720, 99116, 123895, 173453, 195440, 198232, 247790, 346906, 396464, 495580, 693812, 867265, 991160, 1387624, 1734530, 1982320, 2775248, 3469060, 6938120, 13876240]

約数ペア:

[(1, 13876240), (2, 6938120), (4, 3469060), (5, 2775248), (7, 1982320), (8, 1734530), (10, 1387624), (14, 991160), (16, 867265), (20, 693812), (28, 495580), (35, 396464), (40, 346906), (56, 247790), (70, 198232), (71, 195440), (80, 173453), (112, 123895), (140, 99116), (142, 97720), (280, 49558), (284, 48860), (349, 39760), (355, 39088), (497, 27920), (560, 24779), (568, 24430), (698, 19880), (710, 19544), (994, 13960), (1136, 12215), (1396, 9940), (1420, 9772), (1745, 7952), (1988, 6980), (2443, 5680), (2485, 5584), (2792, 4970), (2840, 4886), (3490, 3976)]