54405760

素因数分解:

$2^7\times 5^1\times {\mathrm{85009}}^1$

素因数の和:85028

約数の個数: 32

約数和(自身を含む): 130065300

約数和(自身を除く): 75659540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 85009, 170018, 340036, 425045, 680072, 850090, 1360144, 1700180, 2720288, 3400360, 5440576, 6800720, 10881152, 13601440, 27202880, 54405760]

約数ペア:

[(1, 54405760), (2, 27202880), (4, 13601440), (5, 10881152), (8, 6800720), (10, 5440576), (16, 3400360), (20, 2720288), (32, 1700180), (40, 1360144), (64, 850090), (80, 680072), (128, 425045), (160, 340036), (320, 170018), (640, 85009)]