90135980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409709}}^1$

素因数の和:409729

約数の個数: 24

約数和(自身を含む): 206493840

約数和(自身を除く): 116357860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409709, 819418, 1638836, 2048545, 4097090, 4506799, 8194180, 9013598, 18027196, 22533995, 45067990, 90135980]

約数ペア:

[(1, 90135980), (2, 45067990), (4, 22533995), (5, 18027196), (10, 9013598), (11, 8194180), (20, 4506799), (22, 4097090), (44, 2048545), (55, 1638836), (110, 819418), (220, 409709)]