40042540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87049}}^1$

素因数の和:87081

約数の個数: 24

約数和(自身を含む): 87746400

約数和(自身を除く): 47703860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 87049, 174098, 348196, 435245, 870490, 1740980, 2002127, 4004254, 8008508, 10010635, 20021270, 40042540]

約数ペア:

[(1, 40042540), (2, 20021270), (4, 10010635), (5, 8008508), (10, 4004254), (20, 2002127), (23, 1740980), (46, 870490), (92, 435245), (115, 348196), (230, 174098), (460, 87049)]