87128000

素因数分解:

$2^6\times 5^3\times {\mathrm{10891}}^1$

素因数の和:10918

約数の個数: 56

約数和(自身を含む): 215792304

約数和(自身を除く): 128664304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 10891, 21782, 43564, 54455, 87128, 108910, 174256, 217820, 272275, 348512, 435640, 544550, 697024, 871280, 1089100, 1361375, 1742560, 2178200, 2722750, 3485120, 4356400, 5445500, 8712800, 10891000, 17425600, 21782000, 43564000, 87128000]

約数ペア:

[(1, 87128000), (2, 43564000), (4, 21782000), (5, 17425600), (8, 10891000), (10, 8712800), (16, 5445500), (20, 4356400), (25, 3485120), (32, 2722750), (40, 2178200), (50, 1742560), (64, 1361375), (80, 1089100), (100, 871280), (125, 697024), (160, 544550), (200, 435640), (250, 348512), (320, 272275), (400, 217820), (500, 174256), (800, 108910), (1000, 87128), (1600, 54455), (2000, 43564), (4000, 21782), (8000, 10891)]