668000

素因数分解:

$2^5\times 5^3\times {\mathrm{167}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 1651104

約数和(自身を除く): 983104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 167, 200, 250, 334, 400, 500, 668, 800, 835, 1000, 1336, 1670, 2000, 2672, 3340, 4000, 4175, 5344, 6680, 8350, 13360, 16700, 20875, 26720, 33400, 41750, 66800, 83500, 133600, 167000, 334000, 668000]

約数ペア:

[(1, 668000), (2, 334000), (4, 167000), (5, 133600), (8, 83500), (10, 66800), (16, 41750), (20, 33400), (25, 26720), (32, 20875), (40, 16700), (50, 13360), (80, 8350), (100, 6680), (125, 5344), (160, 4175), (167, 4000), (200, 3340), (250, 2672), (334, 2000), (400, 1670), (500, 1336), (668, 1000), (800, 835)]