164820400

素因数分解:

$2^4\times 5^2\times {\mathrm{412051}}^1$

素因数の和:412069

約数の個数: 30

約数和(自身を含む): 395981972

約数和(自身を除く): 231161572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 412051, 824102, 1648204, 2060255, 3296408, 4120510, 6592816, 8241020, 10301275, 16482040, 20602550, 32964080, 41205100, 82410200, 164820400]

約数ペア:

[(1, 164820400), (2, 82410200), (4, 41205100), (5, 32964080), (8, 20602550), (10, 16482040), (16, 10301275), (20, 8241020), (25, 6592816), (40, 4120510), (50, 3296408), (80, 2060255), (100, 1648204), (200, 824102), (400, 412051)]