80540488

素因数分解:

$2^3\times 7^1\times {\mathrm{1438223}}^1$

素因数の和:1438236

約数の個数: 16

約数和(自身を含む): 172586880

約数和(自身を除く): 92046392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1438223, 2876446, 5752892, 10067561, 11505784, 20135122, 40270244, 80540488]

約数ペア:

[(1, 80540488), (2, 40270244), (4, 20135122), (7, 11505784), (8, 10067561), (14, 5752892), (28, 2876446), (56, 1438223)]