40565480

素因数分解:

$2^3\times 5^1\times {\mathrm{1014137}}^1$

素因数の和:1014148

約数の個数: 16

約数和(自身を含む): 91272420

約数和(自身を除く): 50706940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1014137, 2028274, 4056548, 5070685, 8113096, 10141370, 20282740, 40565480]

約数ペア:

[(1, 40565480), (2, 20282740), (4, 10141370), (5, 8113096), (8, 5070685), (10, 4056548), (20, 2028274), (40, 1014137)]