40665920

素因数分解:

$2^6\times 5^1\times {\mathrm{127081}}^1$

素因数の和:127098

約数の個数: 28

約数和(自身を含む): 96836484

約数和(自身を除く): 56170564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127081, 254162, 508324, 635405, 1016648, 1270810, 2033296, 2541620, 4066592, 5083240, 8133184, 10166480, 20332960, 40665920]

約数ペア:

[(1, 40665920), (2, 20332960), (4, 10166480), (5, 8133184), (8, 5083240), (10, 4066592), (16, 2541620), (20, 2033296), (32, 1270810), (40, 1016648), (64, 635405), (80, 508324), (160, 254162), (320, 127081)]