389600080

素因数分解:

$2^4\times 5^1\times {\mathrm{4870001}}^1$

素因数の和:4870014

約数の個数: 20

約数和(自身を含む): 905820372

約数和(自身を除く): 516220292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4870001, 9740002, 19480004, 24350005, 38960008, 48700010, 77920016, 97400020, 194800040, 389600080]

約数ペア:

[(1, 389600080), (2, 194800040), (4, 97400020), (5, 77920016), (8, 48700010), (10, 38960008), (16, 24350005), (20, 19480004), (40, 9740002), (80, 4870001)]