15319280

素因数分解:

$2^4\times 5^1\times {\mathrm{191491}}^1$

素因数の和:191504

約数の個数: 20

約数和(自身を含む): 35617512

約数和(自身を除く): 20298232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191491, 382982, 765964, 957455, 1531928, 1914910, 3063856, 3829820, 7659640, 15319280]

約数ペア:

[(1, 15319280), (2, 7659640), (4, 3829820), (5, 3063856), (8, 1914910), (10, 1531928), (16, 957455), (20, 765964), (40, 382982), (80, 191491)]