664000

素因数分解:

$2^6\times 5^3\times {\mathrm{83}}^1$

素因数の和:110

約数の個数: 56

約数和(自身を含む): 1664208

約数和(自身を除く): 1000208

約数列:

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

約数ペア:

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