65120480

素因数分解:

$2^5\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1109}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 154405440

約数和(自身を除く): 89284960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 367, 734, 1109, 1468, 1835, 2218, 2936, 3670, 4436, 5545, 5872, 7340, 8872, 11090, 11744, 14680, 17744, 22180, 29360, 35488, 44360, 58720, 88720, 177440, 407003, 814006, 1628012, 2035015, 3256024, 4070030, 6512048, 8140060, 13024096, 16280120, 32560240, 65120480]

約数ペア:

[(1, 65120480), (2, 32560240), (4, 16280120), (5, 13024096), (8, 8140060), (10, 6512048), (16, 4070030), (20, 3256024), (32, 2035015), (40, 1628012), (80, 814006), (160, 407003), (367, 177440), (734, 88720), (1109, 58720), (1468, 44360), (1835, 35488), (2218, 29360), (2936, 22180), (3670, 17744), (4436, 14680), (5545, 11744), (5872, 11090), (7340, 8872)]