22129280

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 53758080

約数和(自身を除く): 31628800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 487, 568, 640, 710, 974, 1136, 1420, 1948, 2272, 2435, 2840, 3896, 4544, 4870, 5680, 7792, 9088, 9740, 11360, 15584, 19480, 22720, 31168, 34577, 38960, 45440, 62336, 69154, 77920, 138308, 155840, 172885, 276616, 311680, 345770, 553232, 691540, 1106464, 1383080, 2212928, 2766160, 4425856, 5532320, 11064640, 22129280]

約数ペア:

[(1, 22129280), (2, 11064640), (4, 5532320), (5, 4425856), (8, 2766160), (10, 2212928), (16, 1383080), (20, 1106464), (32, 691540), (40, 553232), (64, 345770), (71, 311680), (80, 276616), (128, 172885), (142, 155840), (160, 138308), (284, 77920), (320, 69154), (355, 62336), (487, 45440), (568, 38960), (640, 34577), (710, 31168), (974, 22720), (1136, 19480), (1420, 15584), (1948, 11360), (2272, 9740), (2435, 9088), (2840, 7792), (3896, 5680), (4544, 4870)]