40381360

素因数分解:

$2^4\times 5^1\times {\mathrm{504767}}^1$

素因数の和:504780

約数の個数: 20

約数和(自身を含む): 93886848

約数和(自身を除く): 53505488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504767, 1009534, 2019068, 2523835, 4038136, 5047670, 8076272, 10095340, 20190680, 40381360]

約数ペア:

[(1, 40381360), (2, 20190680), (4, 10095340), (5, 8076272), (8, 5047670), (10, 4038136), (16, 2523835), (20, 2019068), (40, 1009534), (80, 504767)]