5280582640

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{161387}}^1$

素因数の和:161809

約数の個数: 40

約数和(自身を含む): 12307448880

約数和(自身を除く): 7026866240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 161387, 322774, 645548, 806935, 1291096, 1613870, 2582192, 3227740, 6455480, 12910960, 66007283, 132014566, 264029132, 330036415, 528058264, 660072830, 1056116528, 1320145660, 2640291320, 5280582640]

約数ペア:

[(1, 5280582640), (2, 2640291320), (4, 1320145660), (5, 1056116528), (8, 660072830), (10, 528058264), (16, 330036415), (20, 264029132), (40, 132014566), (80, 66007283), (409, 12910960), (818, 6455480), (1636, 3227740), (2045, 2582192), (3272, 1613870), (4090, 1291096), (6544, 806935), (8180, 645548), (16360, 322774), (32720, 161387)]