90555020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{41539}}^1$

素因数の和:41657

約数の個数: 24

約数和(自身を含む): 191914800

約数和(自身を除く): 101359780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 41539, 83078, 166156, 207695, 415390, 830780, 4527751, 9055502, 18111004, 22638755, 45277510, 90555020]

約数ペア:

[(1, 90555020), (2, 45277510), (4, 22638755), (5, 18111004), (10, 9055502), (20, 4527751), (109, 830780), (218, 415390), (436, 207695), (545, 166156), (1090, 83078), (2180, 41539)]