200542280

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{9001}}^1$

素因数の和:9569

約数の個数: 32

約数和(自身を含む): 452080440

約数和(自身を除く): 251538160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 9001, 11140, 18002, 22280, 36004, 45005, 72008, 90010, 180020, 360040, 5013557, 10027114, 20054228, 25067785, 40108456, 50135570, 100271140, 200542280]

約数ペア:

[(1, 200542280), (2, 100271140), (4, 50135570), (5, 40108456), (8, 25067785), (10, 20054228), (20, 10027114), (40, 5013557), (557, 360040), (1114, 180020), (2228, 90010), (2785, 72008), (4456, 45005), (5570, 36004), (9001, 22280), (11140, 18002)]