80459740

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{3701}}^1$

素因数の和:4797

約数の個数: 24

約数和(自身を含む): 169166592

約数和(自身を除く): 88706852

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 3701, 4348, 5435, 7402, 10870, 14804, 18505, 21740, 37010, 74020, 4022987, 8045974, 16091948, 20114935, 40229870, 80459740]

約数ペア:

[(1, 80459740), (2, 40229870), (4, 20114935), (5, 16091948), (10, 8045974), (20, 4022987), (1087, 74020), (2174, 37010), (3701, 21740), (4348, 18505), (5435, 14804), (7402, 10870)]