18728000

素因数分解:

$2^6\times 5^3\times {\mathrm{2341}}^1$

素因数の和:2368

約数の個数: 56

約数和(自身を含む): 46399704

約数和(自身を除く): 27671704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 2341, 4000, 4682, 8000, 9364, 11705, 18728, 23410, 37456, 46820, 58525, 74912, 93640, 117050, 149824, 187280, 234100, 292625, 374560, 468200, 585250, 749120, 936400, 1170500, 1872800, 2341000, 3745600, 4682000, 9364000, 18728000]

約数ペア:

[(1, 18728000), (2, 9364000), (4, 4682000), (5, 3745600), (8, 2341000), (10, 1872800), (16, 1170500), (20, 936400), (25, 749120), (32, 585250), (40, 468200), (50, 374560), (64, 292625), (80, 234100), (100, 187280), (125, 149824), (160, 117050), (200, 93640), (250, 74912), (320, 58525), (400, 46820), (500, 37456), (800, 23410), (1000, 18728), (1600, 11705), (2000, 9364), (2341, 8000), (4000, 4682)]