168222760

素因数分解:

$2^3\times 5^1\times {\mathrm{4205569}}^1$

素因数の和:4205580

約数の個数: 16

約数和(自身を含む): 378501300

約数和(自身を除く): 210278540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4205569, 8411138, 16822276, 21027845, 33644552, 42055690, 84111380, 168222760]

約数ペア:

[(1, 168222760), (2, 84111380), (4, 42055690), (5, 33644552), (8, 21027845), (10, 16822276), (20, 8411138), (40, 4205569)]