25830040

素因数分解:

$2^3\times 5^1\times {\mathrm{645751}}^1$

素因数の和:645762

約数の個数: 16

約数和(自身を含む): 58117680

約数和(自身を除く): 32287640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 645751, 1291502, 2583004, 3228755, 5166008, 6457510, 12915020, 25830040]

約数ペア:

[(1, 25830040), (2, 12915020), (4, 6457510), (5, 5166008), (8, 3228755), (10, 2583004), (20, 1291502), (40, 645751)]