6503920

素因数分解:

$2^4\times 5^1\times {\mathrm{81299}}^1$

素因数の和:81312

約数の個数: 20

約数和(自身を含む): 15121800

約数和(自身を除く): 8617880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81299, 162598, 325196, 406495, 650392, 812990, 1300784, 1625980, 3251960, 6503920]

約数ペア:

[(1, 6503920), (2, 3251960), (4, 1625980), (5, 1300784), (8, 812990), (10, 650392), (16, 406495), (20, 325196), (40, 162598), (80, 81299)]