161360

素因数分解:

$2^4\times 5^1\times {\mathrm{2017}}^1$

素因数の和:2030

約数の個数: 20

約数和(自身を含む): 375348

約数和(自身を除く): 213988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2017, 4034, 8068, 10085, 16136, 20170, 32272, 40340, 80680, 161360]

約数ペア:

[(1, 161360), (2, 80680), (4, 40340), (5, 32272), (8, 20170), (10, 16136), (16, 10085), (20, 8068), (40, 4034), (80, 2017)]