217441360

素因数分解:

$2^4\times 5^1\times {\mathrm{2718017}}^1$

素因数の和:2718030

約数の個数: 20

約数和(自身を含む): 505551348

約数和(自身を除く): 288109988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2718017, 5436034, 10872068, 13590085, 21744136, 27180170, 43488272, 54360340, 108720680, 217441360]

約数ペア:

[(1, 217441360), (2, 108720680), (4, 54360340), (5, 43488272), (8, 27180170), (10, 21744136), (16, 13590085), (20, 10872068), (40, 5436034), (80, 2718017)]