5440640

素因数分解:

$2^7\times 5^1\times {\mathrm{8501}}^1$

素因数の和:8520

約数の個数: 32

約数和(自身を含む): 13008060

約数和(自身を除く): 7567420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 8501, 17002, 34004, 42505, 68008, 85010, 136016, 170020, 272032, 340040, 544064, 680080, 1088128, 1360160, 2720320, 5440640]

約数ペア:

[(1, 5440640), (2, 2720320), (4, 1360160), (5, 1088128), (8, 680080), (10, 544064), (16, 340040), (20, 272032), (32, 170020), (40, 136016), (64, 85010), (80, 68008), (128, 42505), (160, 34004), (320, 17002), (640, 8501)]