11987000

素因数分解:

$2^3\times 5^3\times {\mathrm{11987}}^1$

素因数の和:12008

約数の個数: 32

約数和(自身を含む): 28051920

約数和(自身を除く): 16064920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 11987, 23974, 47948, 59935, 95896, 119870, 239740, 299675, 479480, 599350, 1198700, 1498375, 2397400, 2996750, 5993500, 11987000]

約数ペア:

[(1, 11987000), (2, 5993500), (4, 2996750), (5, 2397400), (8, 1498375), (10, 1198700), (20, 599350), (25, 479480), (40, 299675), (50, 239740), (100, 119870), (125, 95896), (200, 59935), (250, 47948), (500, 23974), (1000, 11987)]