831920080

素因数分解:

$2^4\times 5^1\times {\mathrm{10399001}}^1$

素因数の和:10399014

約数の個数: 20

約数和(自身を含む): 1934214372

約数和(自身を除く): 1102294292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10399001, 20798002, 41596004, 51995005, 83192008, 103990010, 166384016, 207980020, 415960040, 831920080]

約数ペア:

[(1, 831920080), (2, 415960040), (4, 207980020), (5, 166384016), (8, 103990010), (10, 83192008), (16, 51995005), (20, 41596004), (40, 20798002), (80, 10399001)]