165616240

素因数分解:

$2^4\times 5^1\times {\mathrm{2070203}}^1$

素因数の和:2070216

約数の個数: 20

約数和(自身を含む): 385057944

約数和(自身を除く): 219441704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2070203, 4140406, 8280812, 10351015, 16561624, 20702030, 33123248, 41404060, 82808120, 165616240]

約数ペア:

[(1, 165616240), (2, 82808120), (4, 41404060), (5, 33123248), (8, 20702030), (10, 16561624), (16, 10351015), (20, 8280812), (40, 4140406), (80, 2070203)]