40801900

素因数分解:

$2^2\times 5^2\times {\mathrm{408019}}^1$

素因数の和:408033

約数の個数: 18

約数和(自身を含む): 88540340

約数和(自身を除く): 47738440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 408019, 816038, 1632076, 2040095, 4080190, 8160380, 10200475, 20400950, 40801900]

約数ペア:

[(1, 40801900), (2, 20400950), (4, 10200475), (5, 8160380), (10, 4080190), (20, 2040095), (25, 1632076), (50, 816038), (100, 408019)]