9895000

素因数分解:

$2^3\times 5^4\times {\mathrm{1979}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 23195700

約数和(自身を除く): 13300700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1979, 2500, 3958, 5000, 7916, 9895, 15832, 19790, 39580, 49475, 79160, 98950, 197900, 247375, 395800, 494750, 989500, 1236875, 1979000, 2473750, 4947500, 9895000]

約数ペア:

[(1, 9895000), (2, 4947500), (4, 2473750), (5, 1979000), (8, 1236875), (10, 989500), (20, 494750), (25, 395800), (40, 247375), (50, 197900), (100, 98950), (125, 79160), (200, 49475), (250, 39580), (500, 19790), (625, 15832), (1000, 9895), (1250, 7916), (1979, 5000), (2500, 3958)]