1666120580

素因数分解:

$2^2\times 5^1\times {\mathrm{2153}}^1\times {\mathrm{38693}}^1$

素因数の和:40855

約数の個数: 24

約数和(自身を含む): 3500568792

約数和(自身を除く): 1834448212

約数列:

[1, 2, 4, 5, 10, 20, 2153, 4306, 8612, 10765, 21530, 38693, 43060, 77386, 154772, 193465, 386930, 773860, 83306029, 166612058, 333224116, 416530145, 833060290, 1666120580]

約数ペア:

[(1, 1666120580), (2, 833060290), (4, 416530145), (5, 333224116), (10, 166612058), (20, 83306029), (2153, 773860), (4306, 386930), (8612, 193465), (10765, 154772), (21530, 77386), (38693, 43060)]