2056556080

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{38891}}^1$

素因数の和:39565

約数の個数: 40

約数和(自身を含む): 4788849744

約数和(自身を除く): 2732293664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 2644, 3305, 5288, 6610, 10576, 13220, 26440, 38891, 52880, 77782, 155564, 194455, 311128, 388910, 622256, 777820, 1555640, 3111280, 25706951, 51413902, 102827804, 128534755, 205655608, 257069510, 411311216, 514139020, 1028278040, 2056556080]

約数ペア:

[(1, 2056556080), (2, 1028278040), (4, 514139020), (5, 411311216), (8, 257069510), (10, 205655608), (16, 128534755), (20, 102827804), (40, 51413902), (80, 25706951), (661, 3111280), (1322, 1555640), (2644, 777820), (3305, 622256), (5288, 388910), (6610, 311128), (10576, 194455), (13220, 155564), (26440, 77782), (38891, 52880)]