768080

素因数分解:

$2^4\times 5^1\times {\mathrm{9601}}^1$

素因数の和:9614

約数の個数: 20

約数和(自身を含む): 1785972

約数和(自身を除く): 1017892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9601, 19202, 38404, 48005, 76808, 96010, 153616, 192020, 384040, 768080]

約数ペア:

[(1, 768080), (2, 384040), (4, 192020), (5, 153616), (8, 96010), (10, 76808), (16, 48005), (20, 38404), (40, 19202), (80, 9601)]