71987000

素因数分解:

$2^3\times 5^3\times {\mathrm{71987}}^1$

素因数の和:72008

約数の個数: 32

約数和(自身を含む): 168451920

約数和(自身を除く): 96464920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 71987, 143974, 287948, 359935, 575896, 719870, 1439740, 1799675, 2879480, 3599350, 7198700, 8998375, 14397400, 17996750, 35993500, 71987000]

約数ペア:

[(1, 71987000), (2, 35993500), (4, 17996750), (5, 14397400), (8, 8998375), (10, 7198700), (20, 3599350), (25, 2879480), (40, 1799675), (50, 1439740), (100, 719870), (125, 575896), (200, 359935), (250, 287948), (500, 143974), (1000, 71987)]