285401360

素因数分解:

$2^4\times 5^1\times {\mathrm{3567517}}^1$

素因数の和:3567530

約数の個数: 20

約数和(自身を含む): 663558348

約数和(自身を除く): 378156988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3567517, 7135034, 14270068, 17837585, 28540136, 35675170, 57080272, 71350340, 142700680, 285401360]

約数ペア:

[(1, 285401360), (2, 142700680), (4, 71350340), (5, 57080272), (8, 35675170), (10, 28540136), (16, 17837585), (20, 14270068), (40, 7135034), (80, 3567517)]