80921390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{735649}}^1$

素因数の和:735667

約数の個数: 16

約数和(自身を含む): 158900400

約数和(自身を除く): 77979010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 735649, 1471298, 3678245, 7356490, 8092139, 16184278, 40460695, 80921390]

約数ペア:

[(1, 80921390), (2, 40460695), (5, 16184278), (10, 8092139), (11, 7356490), (22, 3678245), (55, 1471298), (110, 735649)]