25727000

素因数分解:

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

素因数の和:2013

約数の個数: 64

約数和(自身を含む): 64864800

約数和(自身を除く): 39137800

約数列:

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

約数ペア:

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