80635000

素因数分解:

$2^3\times 5^4\times {\mathrm{16127}}^1$

素因数の和:16153

約数の個数: 40

約数和(自身を含む): 188939520

約数和(自身を除く): 108304520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 16127, 32254, 64508, 80635, 129016, 161270, 322540, 403175, 645080, 806350, 1612700, 2015875, 3225400, 4031750, 8063500, 10079375, 16127000, 20158750, 40317500, 80635000]

約数ペア:

[(1, 80635000), (2, 40317500), (4, 20158750), (5, 16127000), (8, 10079375), (10, 8063500), (20, 4031750), (25, 3225400), (40, 2015875), (50, 1612700), (100, 806350), (125, 645080), (200, 403175), (250, 322540), (500, 161270), (625, 129016), (1000, 80635), (1250, 64508), (2500, 32254), (5000, 16127)]