19953400

素因数分解:

$2^3\times 5^2\times {\mathrm{99767}}^1$

素因数の和:99783

約数の個数: 24

約数和(自身を含む): 46392120

約数和(自身を除く): 26438720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 99767, 199534, 399068, 498835, 798136, 997670, 1995340, 2494175, 3990680, 4988350, 9976700, 19953400]

約数ペア:

[(1, 19953400), (2, 9976700), (4, 4988350), (5, 3990680), (8, 2494175), (10, 1995340), (20, 997670), (25, 798136), (40, 498835), (50, 399068), (100, 199534), (200, 99767)]