66407180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{474337}}^1$

素因数の和:474353

約数の個数: 24

約数和(自身を含む): 159377568

約数和(自身を除く): 92970388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 474337, 948674, 1897348, 2371685, 3320359, 4743370, 6640718, 9486740, 13281436, 16601795, 33203590, 66407180]

約数ペア:

[(1, 66407180), (2, 33203590), (4, 16601795), (5, 13281436), (7, 9486740), (10, 6640718), (14, 4743370), (20, 3320359), (28, 2371685), (35, 1897348), (70, 948674), (140, 474337)]