40445872

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{28403}}^1$

素因数の和:28500

約数の個数: 20

約数和(自身を含む): 79247160

約数和(自身を除く): 38801288

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 28403, 56806, 113612, 227224, 454448, 2527867, 5055734, 10111468, 20222936, 40445872]

約数ペア:

[(1, 40445872), (2, 20222936), (4, 10111468), (8, 5055734), (16, 2527867), (89, 454448), (178, 227224), (356, 113612), (712, 56806), (1424, 28403)]