4416640

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 10820160

約数和(自身を除く): 6403520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 103, 128, 134, 160, 206, 268, 320, 335, 412, 515, 536, 640, 670, 824, 1030, 1072, 1340, 1648, 2060, 2144, 2680, 3296, 4120, 4288, 5360, 6592, 6901, 8240, 8576, 10720, 13184, 13802, 16480, 21440, 27604, 32960, 34505, 42880, 55208, 65920, 69010, 110416, 138020, 220832, 276040, 441664, 552080, 883328, 1104160, 2208320, 4416640]

約数ペア:

[(1, 4416640), (2, 2208320), (4, 1104160), (5, 883328), (8, 552080), (10, 441664), (16, 276040), (20, 220832), (32, 138020), (40, 110416), (64, 69010), (67, 65920), (80, 55208), (103, 42880), (128, 34505), (134, 32960), (160, 27604), (206, 21440), (268, 16480), (320, 13802), (335, 13184), (412, 10720), (515, 8576), (536, 8240), (640, 6901), (670, 6592), (824, 5360), (1030, 4288), (1072, 4120), (1340, 3296), (1648, 2680), (2060, 2144)]