102990040

素因数分解:

$2^3\times 5^1\times {\mathrm{2574751}}^1$

素因数の和:2574762

約数の個数: 16

約数和(自身を含む): 231727680

約数和(自身を除く): 128737640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2574751, 5149502, 10299004, 12873755, 20598008, 25747510, 51495020, 102990040]

約数ペア:

[(1, 102990040), (2, 51495020), (4, 25747510), (5, 20598008), (8, 12873755), (10, 10299004), (20, 5149502), (40, 2574751)]