40775440

素因数分解:

$2^4\times 5^1\times {\mathrm{509693}}^1$

素因数の和:509706

約数の個数: 20

約数和(自身を含む): 94803084

約数和(自身を除く): 54027644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509693, 1019386, 2038772, 2548465, 4077544, 5096930, 8155088, 10193860, 20387720, 40775440]

約数ペア:

[(1, 40775440), (2, 20387720), (4, 10193860), (5, 8155088), (8, 5096930), (10, 4077544), (16, 2548465), (20, 2038772), (40, 1019386), (80, 509693)]