6854840

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 15498000

約数和(自身を除く): 8643160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 419, 818, 838, 1636, 1676, 2045, 2095, 3272, 3352, 4090, 4190, 8180, 8380, 16360, 16760, 171371, 342742, 685484, 856855, 1370968, 1713710, 3427420, 6854840]

約数ペア:

[(1, 6854840), (2, 3427420), (4, 1713710), (5, 1370968), (8, 856855), (10, 685484), (20, 342742), (40, 171371), (409, 16760), (419, 16360), (818, 8380), (838, 8180), (1636, 4190), (1676, 4090), (2045, 3352), (2095, 3272)]