51052720

素因数分解:

$2^4\times 5^1\times {\mathrm{638159}}^1$

素因数の和:638172

約数の個数: 20

約数和(自身を含む): 118697760

約数和(自身を除く): 67645040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638159, 1276318, 2552636, 3190795, 5105272, 6381590, 10210544, 12763180, 25526360, 51052720]

約数ペア:

[(1, 51052720), (2, 25526360), (4, 12763180), (5, 10210544), (8, 6381590), (10, 5105272), (16, 3190795), (20, 2552636), (40, 1276318), (80, 638159)]