51454000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2015

約数の個数: 80

約数和(自身を含む): 134053920

約数和(自身を除く): 82599920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1300, 1625, 1979, 2000, 2600, 3250, 3958, 5200, 6500, 7916, 9895, 13000, 15832, 19790, 25727, 26000, 31664, 39580, 49475, 51454, 79160, 98950, 102908, 128635, 158320, 197900, 205816, 247375, 257270, 395800, 411632, 494750, 514540, 643175, 791600, 989500, 1029080, 1286350, 1979000, 2058160, 2572700, 3215875, 3958000, 5145400, 6431750, 10290800, 12863500, 25727000, 51454000]

約数ペア:

[(1, 51454000), (2, 25727000), (4, 12863500), (5, 10290800), (8, 6431750), (10, 5145400), (13, 3958000), (16, 3215875), (20, 2572700), (25, 2058160), (26, 1979000), (40, 1286350), (50, 1029080), (52, 989500), (65, 791600), (80, 643175), (100, 514540), (104, 494750), (125, 411632), (130, 395800), (200, 257270), (208, 247375), (250, 205816), (260, 197900), (325, 158320), (400, 128635), (500, 102908), (520, 98950), (650, 79160), (1000, 51454), (1040, 49475), (1300, 39580), (1625, 31664), (1979, 26000), (2000, 25727), (2600, 19790), (3250, 15832), (3958, 13000), (5200, 9895), (6500, 7916)]