40527280

素因数分解:

$2^4\times 5^1\times {\mathrm{506591}}^1$

素因数の和:506604

約数の個数: 20

約数和(自身を含む): 94226112

約数和(自身を除く): 53698832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506591, 1013182, 2026364, 2532955, 4052728, 5065910, 8105456, 10131820, 20263640, 40527280]

約数ペア:

[(1, 40527280), (2, 20263640), (4, 10131820), (5, 8105456), (8, 5065910), (10, 4052728), (16, 2532955), (20, 2026364), (40, 1013182), (80, 506591)]