80043400

素因数分解:

$2^3\times 5^2\times {\mathrm{400217}}^1$

素因数の和:400233

約数の個数: 24

約数和(自身を含む): 186101370

約数和(自身を除く): 106057970

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 400217, 800434, 1600868, 2001085, 3201736, 4002170, 8004340, 10005425, 16008680, 20010850, 40021700, 80043400]

約数ペア:

[(1, 80043400), (2, 40021700), (4, 20010850), (5, 16008680), (8, 10005425), (10, 8004340), (20, 4002170), (25, 3201736), (40, 2001085), (50, 1600868), (100, 800434), (200, 400217)]