15856090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20071}}^1$

素因数の和:20157

約数の個数: 16

約数和(自身を含む): 28903680

約数和(自身を除く): 13047590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 20071, 40142, 100355, 200710, 1585609, 3171218, 7928045, 15856090]

約数ペア:

[(1, 15856090), (2, 7928045), (5, 3171218), (10, 1585609), (79, 200710), (158, 100355), (395, 40142), (790, 20071)]