89385520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{159617}}^1$

素因数の和:159637

約数の個数: 40

約数和(自身を含む): 237511584

約数和(自身を除く): 148126064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 159617, 319234, 638468, 798085, 1117319, 1276936, 1596170, 2234638, 2553872, 3192340, 4469276, 5586595, 6384680, 8938552, 11173190, 12769360, 17877104, 22346380, 44692760, 89385520]

約数ペア:

[(1, 89385520), (2, 44692760), (4, 22346380), (5, 17877104), (7, 12769360), (8, 11173190), (10, 8938552), (14, 6384680), (16, 5586595), (20, 4469276), (28, 3192340), (35, 2553872), (40, 2234638), (56, 1596170), (70, 1276936), (80, 1117319), (112, 798085), (140, 638468), (280, 319234), (560, 159617)]