83904640

素因数分解:

$2^7\times 5^1\times {\mathrm{131101}}^1$

素因数の和:131120

約数の個数: 32

約数和(自身を含む): 200586060

約数和(自身を除く): 116681420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 131101, 262202, 524404, 655505, 1048808, 1311010, 2097616, 2622020, 4195232, 5244040, 8390464, 10488080, 16780928, 20976160, 41952320, 83904640]

約数ペア:

[(1, 83904640), (2, 41952320), (4, 20976160), (5, 16780928), (8, 10488080), (10, 8390464), (16, 5244040), (20, 4195232), (32, 2622020), (40, 2097616), (64, 1311010), (80, 1048808), (128, 655505), (160, 524404), (320, 262202), (640, 131101)]