81134000

素因数分解:

$2^4\times 5^3\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:495

約数の個数: 80

約数和(自身を含む): 198469440

約数和(自身を除く): 117335440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 125, 200, 226, 250, 359, 400, 452, 500, 565, 718, 904, 1000, 1130, 1436, 1795, 1808, 2000, 2260, 2825, 2872, 3590, 4520, 5650, 5744, 7180, 8975, 9040, 11300, 14125, 14360, 17950, 22600, 28250, 28720, 35900, 40567, 44875, 45200, 56500, 71800, 81134, 89750, 113000, 143600, 162268, 179500, 202835, 226000, 324536, 359000, 405670, 649072, 718000, 811340, 1014175, 1622680, 2028350, 3245360, 4056700, 5070875, 8113400, 10141750, 16226800, 20283500, 40567000, 81134000]

約数ペア:

[(1, 81134000), (2, 40567000), (4, 20283500), (5, 16226800), (8, 10141750), (10, 8113400), (16, 5070875), (20, 4056700), (25, 3245360), (40, 2028350), (50, 1622680), (80, 1014175), (100, 811340), (113, 718000), (125, 649072), (200, 405670), (226, 359000), (250, 324536), (359, 226000), (400, 202835), (452, 179500), (500, 162268), (565, 143600), (718, 113000), (904, 89750), (1000, 81134), (1130, 71800), (1436, 56500), (1795, 45200), (1808, 44875), (2000, 40567), (2260, 35900), (2825, 28720), (2872, 28250), (3590, 22600), (4520, 17950), (5650, 14360), (5744, 14125), (7180, 11300), (8975, 9040)]