20104080400

素因数分解:

$2^4\times 5^2\times {\mathrm{50260201}}^1$

素因数の和:50260219

約数の個数: 30

約数和(自身を含む): 48300054122

約数和(自身を除く): 28195973722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50260201, 100520402, 201040804, 251301005, 402081608, 502602010, 804163216, 1005204020, 1256505025, 2010408040, 2513010050, 4020816080, 5026020100, 10052040200, 20104080400]

約数ペア:

[(1, 20104080400), (2, 10052040200), (4, 5026020100), (5, 4020816080), (8, 2513010050), (10, 2010408040), (16, 1256505025), (20, 1005204020), (25, 804163216), (40, 502602010), (50, 402081608), (80, 251301005), (100, 201040804), (200, 100520402), (400, 50260201)]