3896291320

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{219881}}^1$

素因数の和:220335

約数の個数: 32

約数和(自身を含む): 8786484720

約数和(自身を除く): 4890193400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 17720, 219881, 439762, 879524, 1099405, 1759048, 2198810, 4397620, 8795240, 97407283, 194814566, 389629132, 487036415, 779258264, 974072830, 1948145660, 3896291320]

約数ペア:

[(1, 3896291320), (2, 1948145660), (4, 974072830), (5, 779258264), (8, 487036415), (10, 389629132), (20, 194814566), (40, 97407283), (443, 8795240), (886, 4397620), (1772, 2198810), (2215, 1759048), (3544, 1099405), (4430, 879524), (8860, 439762), (17720, 219881)]