2016191120

素因数分解:

$2^4\times 5^1\times {\mathrm{25202389}}^1$

素因数の和:25202402

約数の個数: 20

約数和(自身を含む): 4687644540

約数和(自身を除く): 2671453420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25202389, 50404778, 100809556, 126011945, 201619112, 252023890, 403238224, 504047780, 1008095560, 2016191120]

約数ペア:

[(1, 2016191120), (2, 1008095560), (4, 504047780), (5, 403238224), (8, 252023890), (10, 201619112), (16, 126011945), (20, 100809556), (40, 50404778), (80, 25202389)]