40804660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156941}}^1$

素因数の和:156963

約数の個数: 24

約数和(自身を含む): 92281896

約数和(自身を除く): 51477236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 156941, 313882, 627764, 784705, 1569410, 2040233, 3138820, 4080466, 8160932, 10201165, 20402330, 40804660]

約数ペア:

[(1, 40804660), (2, 20402330), (4, 10201165), (5, 8160932), (10, 4080466), (13, 3138820), (20, 2040233), (26, 1569410), (52, 784705), (65, 627764), (130, 313882), (260, 156941)]