164088740

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{32687}}^1$

素因数の和:32947

約数の個数: 24

約数和(自身を含む): 345969792

約数和(自身を除く): 181881052

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 32687, 65374, 130748, 163435, 326870, 653740, 8204437, 16408874, 32817748, 41022185, 82044370, 164088740]

約数ペア:

[(1, 164088740), (2, 82044370), (4, 41022185), (5, 32817748), (10, 16408874), (20, 8204437), (251, 653740), (502, 326870), (1004, 163435), (1255, 130748), (2510, 65374), (5020, 32687)]