789248080

素因数分解:

$2^4\times 5^1\times {\mathrm{9865601}}^1$

素因数の和:9865614

約数の個数: 20

約数和(自身を含む): 1835001972

約数和(自身を除く): 1045753892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9865601, 19731202, 39462404, 49328005, 78924808, 98656010, 157849616, 197312020, 394624040, 789248080]

約数ペア:

[(1, 789248080), (2, 394624040), (4, 197312020), (5, 157849616), (8, 98656010), (10, 78924808), (16, 49328005), (20, 39462404), (40, 19731202), (80, 9865601)]