25651000

素因数分解:

$2^3\times 5^3\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 60821280

約数和(自身を除く): 35170280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 113, 125, 200, 226, 227, 250, 452, 454, 500, 565, 904, 908, 1000, 1130, 1135, 1816, 2260, 2270, 2825, 4520, 4540, 5650, 5675, 9080, 11300, 11350, 14125, 22600, 22700, 25651, 28250, 28375, 45400, 51302, 56500, 56750, 102604, 113000, 113500, 128255, 205208, 227000, 256510, 513020, 641275, 1026040, 1282550, 2565100, 3206375, 5130200, 6412750, 12825500, 25651000]

約数ペア:

[(1, 25651000), (2, 12825500), (4, 6412750), (5, 5130200), (8, 3206375), (10, 2565100), (20, 1282550), (25, 1026040), (40, 641275), (50, 513020), (100, 256510), (113, 227000), (125, 205208), (200, 128255), (226, 113500), (227, 113000), (250, 102604), (452, 56750), (454, 56500), (500, 51302), (565, 45400), (904, 28375), (908, 28250), (1000, 25651), (1130, 22700), (1135, 22600), (1816, 14125), (2260, 11350), (2270, 11300), (2825, 9080), (4520, 5675), (4540, 5650)]