27127280

素因数分解:

$2^4\times 5^1\times {\mathrm{339091}}^1$

素因数の和:339104

約数の個数: 20

約数和(自身を含む): 63071112

約数和(自身を除く): 35943832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 339091, 678182, 1356364, 1695455, 2712728, 3390910, 5425456, 6781820, 13563640, 27127280]

約数ペア:

[(1, 27127280), (2, 13563640), (4, 6781820), (5, 5425456), (8, 3390910), (10, 2712728), (16, 1695455), (20, 1356364), (40, 678182), (80, 339091)]