20158750

素因数分解:

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

素因数の和:16149

約数の個数: 20

約数和(自身を含む): 37787904

約数和(自身を除く): 17629154

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 16127, 32254, 80635, 161270, 403175, 806350, 2015875, 4031750, 10079375, 20158750]

約数ペア:

[(1, 20158750), (2, 10079375), (5, 4031750), (10, 2015875), (25, 806350), (50, 403175), (125, 161270), (250, 80635), (625, 32254), (1250, 16127)]