872240

素因数分解:

$2^4\times 5^1\times {\mathrm{10903}}^1$

素因数の和:10916

約数の個数: 20

約数和(自身を含む): 2028144

約数和(自身を除く): 1155904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10903, 21806, 43612, 54515, 87224, 109030, 174448, 218060, 436120, 872240]

約数ペア:

[(1, 872240), (2, 436120), (4, 218060), (5, 174448), (8, 109030), (10, 87224), (16, 54515), (20, 43612), (40, 21806), (80, 10903)]