20342800

素因数分解:

$2^4\times 5^2\times {\mathrm{50857}}^1$

素因数の和:50875

約数の個数: 30

約数和(自身を含む): 48874538

約数和(自身を除く): 28531738

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50857, 101714, 203428, 254285, 406856, 508570, 813712, 1017140, 1271425, 2034280, 2542850, 4068560, 5085700, 10171400, 20342800]

約数ペア:

[(1, 20342800), (2, 10171400), (4, 5085700), (5, 4068560), (8, 2542850), (10, 2034280), (16, 1271425), (20, 1017140), (25, 813712), (40, 508570), (50, 406856), (80, 254285), (100, 203428), (200, 101714), (400, 50857)]