13121120

素因数分解:

$2^5\times 5^1\times {\mathrm{82007}}^1$

素因数の和:82022

約数の個数: 24

約数和(自身を含む): 30999024

約数和(自身を除く): 17877904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 82007, 164014, 328028, 410035, 656056, 820070, 1312112, 1640140, 2624224, 3280280, 6560560, 13121120]

約数ペア:

[(1, 13121120), (2, 6560560), (4, 3280280), (5, 2624224), (8, 1640140), (10, 1312112), (16, 820070), (20, 656056), (32, 410035), (40, 328028), (80, 164014), (160, 82007)]