8272400

素因数分解:

$2^4\times 5^2\times {\mathrm{20681}}^1$

素因数の和:20699

約数の個数: 30

約数和(自身を含む): 19875402

約数和(自身を除く): 11603002

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20681, 41362, 82724, 103405, 165448, 206810, 330896, 413620, 517025, 827240, 1034050, 1654480, 2068100, 4136200, 8272400]

約数ペア:

[(1, 8272400), (2, 4136200), (4, 2068100), (5, 1654480), (8, 1034050), (10, 827240), (16, 517025), (20, 413620), (25, 330896), (40, 206810), (50, 165448), (80, 103405), (100, 82724), (200, 41362), (400, 20681)]