16008680

素因数分解:

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

素因数の和:400228

約数の個数: 16

約数和(自身を含む): 36019620

約数和(自身を除く): 20010940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 400217, 800434, 1600868, 2001085, 3201736, 4002170, 8004340, 16008680]

約数ペア:

[(1, 16008680), (2, 8004340), (4, 4002170), (5, 3201736), (8, 2001085), (10, 1600868), (20, 800434), (40, 400217)]