15940790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17911}}^1$

素因数の和:18007

約数の個数: 16

約数和(自身を含む): 29017440

約数和(自身を除く): 13076650

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 17911, 35822, 89555, 179110, 1594079, 3188158, 7970395, 15940790]

約数ペア:

[(1, 15940790), (2, 7970395), (5, 3188158), (10, 1594079), (89, 179110), (178, 89555), (445, 35822), (890, 17911)]