40549840

素因数分解:

$2^4\times 5^1\times {\mathrm{506873}}^1$

素因数の和:506886

約数の個数: 20

約数和(自身を含む): 94278564

約数和(自身を除く): 53728724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506873, 1013746, 2027492, 2534365, 4054984, 5068730, 8109968, 10137460, 20274920, 40549840]

約数ペア:

[(1, 40549840), (2, 20274920), (4, 10137460), (5, 8109968), (8, 5068730), (10, 4054984), (16, 2534365), (20, 2027492), (40, 1013746), (80, 506873)]