126800720

素因数分解:

$2^4\times 5^1\times {\mathrm{1585009}}^1$

素因数の和:1585022

約数の個数: 20

約数和(自身を含む): 294811860

約数和(自身を除く): 168011140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1585009, 3170018, 6340036, 7925045, 12680072, 15850090, 25360144, 31700180, 63400360, 126800720]

約数ペア:

[(1, 126800720), (2, 63400360), (4, 31700180), (5, 25360144), (8, 15850090), (10, 12680072), (16, 7925045), (20, 6340036), (40, 3170018), (80, 1585009)]