129672040

素因数分解:

$2^3\times 5^1\times {\mathrm{3241801}}^1$

素因数の和:3241812

約数の個数: 16

約数和(自身を含む): 291762180

約数和(自身を除く): 162090140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3241801, 6483602, 12967204, 16209005, 25934408, 32418010, 64836020, 129672040]

約数ペア:

[(1, 129672040), (2, 64836020), (4, 32418010), (5, 25934408), (8, 16209005), (10, 12967204), (20, 6483602), (40, 3241801)]