20051000

素因数分解:

$2^3\times 5^3\times {\mathrm{20051}}^1$

素因数の和:20072

約数の個数: 32

約数和(自身を含む): 46921680

約数和(自身を除く): 26870680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 20051, 40102, 80204, 100255, 160408, 200510, 401020, 501275, 802040, 1002550, 2005100, 2506375, 4010200, 5012750, 10025500, 20051000]

約数ペア:

[(1, 20051000), (2, 10025500), (4, 5012750), (5, 4010200), (8, 2506375), (10, 2005100), (20, 1002550), (25, 802040), (40, 501275), (50, 401020), (100, 200510), (125, 160408), (200, 100255), (250, 80204), (500, 40102), (1000, 20051)]