12847280

素因数分解:

$2^4\times 5^1\times {\mathrm{160591}}^1$

素因数の和:160604

約数の個数: 20

約数和(自身を含む): 29870112

約数和(自身を除く): 17022832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160591, 321182, 642364, 802955, 1284728, 1605910, 2569456, 3211820, 6423640, 12847280]

約数ペア:

[(1, 12847280), (2, 6423640), (4, 3211820), (5, 2569456), (8, 1605910), (10, 1284728), (16, 802955), (20, 642364), (40, 321182), (80, 160591)]