51192040

素因数分解:

$2^3\times 5^1\times {\mathrm{1279801}}^1$

素因数の和:1279812

約数の個数: 16

約数和(自身を含む): 115182180

約数和(自身を除く): 63990140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279801, 2559602, 5119204, 6399005, 10238408, 12798010, 25596020, 51192040]

約数ペア:

[(1, 51192040), (2, 25596020), (4, 12798010), (5, 10238408), (8, 6399005), (10, 5119204), (20, 2559602), (40, 1279801)]