7121360

素因数分解:

$2^4\times 5^1\times {\mathrm{89017}}^1$

素因数の和:89030

約数の個数: 20

約数和(自身を含む): 16557348

約数和(自身を除く): 9435988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89017, 178034, 356068, 445085, 712136, 890170, 1424272, 1780340, 3560680, 7121360]

約数ペア:

[(1, 7121360), (2, 3560680), (4, 1780340), (5, 1424272), (8, 890170), (10, 712136), (16, 445085), (20, 356068), (40, 178034), (80, 89017)]