8220880

素因数分解:

$2^4\times 5^1\times {\mathrm{102761}}^1$

素因数の和:102774

約数の個数: 20

約数和(自身を含む): 19113732

約数和(自身を除く): 10892852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102761, 205522, 411044, 513805, 822088, 1027610, 1644176, 2055220, 4110440, 8220880]

約数ペア:

[(1, 8220880), (2, 4110440), (4, 2055220), (5, 1644176), (8, 1027610), (10, 822088), (16, 513805), (20, 411044), (40, 205522), (80, 102761)]