1328000

素因数分解:

$2^7\times 5^3\times {\mathrm{83}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 3341520

約数和(自身を除く): 2013520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 125, 128, 160, 166, 200, 250, 320, 332, 400, 415, 500, 640, 664, 800, 830, 1000, 1328, 1600, 1660, 2000, 2075, 2656, 3200, 3320, 4000, 4150, 5312, 6640, 8000, 8300, 10375, 10624, 13280, 16000, 16600, 20750, 26560, 33200, 41500, 53120, 66400, 83000, 132800, 166000, 265600, 332000, 664000, 1328000]

約数ペア:

[(1, 1328000), (2, 664000), (4, 332000), (5, 265600), (8, 166000), (10, 132800), (16, 83000), (20, 66400), (25, 53120), (32, 41500), (40, 33200), (50, 26560), (64, 20750), (80, 16600), (83, 16000), (100, 13280), (125, 10624), (128, 10375), (160, 8300), (166, 8000), (200, 6640), (250, 5312), (320, 4150), (332, 4000), (400, 3320), (415, 3200), (500, 2656), (640, 2075), (664, 2000), (800, 1660), (830, 1600), (1000, 1328)]