18038000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 80

約数和(自身を含む): 45264960

約数和(自身を除く): 27226960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 311, 400, 464, 500, 580, 622, 725, 1000, 1160, 1244, 1450, 1555, 2000, 2320, 2488, 2900, 3110, 3625, 4976, 5800, 6220, 7250, 7775, 9019, 11600, 12440, 14500, 15550, 18038, 24880, 29000, 31100, 36076, 38875, 45095, 58000, 62200, 72152, 77750, 90190, 124400, 144304, 155500, 180380, 225475, 311000, 360760, 450950, 622000, 721520, 901900, 1127375, 1803800, 2254750, 3607600, 4509500, 9019000, 18038000]

約数ペア:

[(1, 18038000), (2, 9019000), (4, 4509500), (5, 3607600), (8, 2254750), (10, 1803800), (16, 1127375), (20, 901900), (25, 721520), (29, 622000), (40, 450950), (50, 360760), (58, 311000), (80, 225475), (100, 180380), (116, 155500), (125, 144304), (145, 124400), (200, 90190), (232, 77750), (250, 72152), (290, 62200), (311, 58000), (400, 45095), (464, 38875), (500, 36076), (580, 31100), (622, 29000), (725, 24880), (1000, 18038), (1160, 15550), (1244, 14500), (1450, 12440), (1555, 11600), (2000, 9019), (2320, 7775), (2488, 7250), (2900, 6220), (3110, 5800), (3625, 4976)]