20084000

素因数分解:

$2^5\times 5^3\times {\mathrm{5021}}^1$

素因数の和:5046

約数の個数: 48

約数和(自身を含む): 49356216

約数和(自身を除く): 29272216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 5021, 10042, 20084, 25105, 40168, 50210, 80336, 100420, 125525, 160672, 200840, 251050, 401680, 502100, 627625, 803360, 1004200, 1255250, 2008400, 2510500, 4016800, 5021000, 10042000, 20084000]

約数ペア:

[(1, 20084000), (2, 10042000), (4, 5021000), (5, 4016800), (8, 2510500), (10, 2008400), (16, 1255250), (20, 1004200), (25, 803360), (32, 627625), (40, 502100), (50, 401680), (80, 251050), (100, 200840), (125, 160672), (160, 125525), (200, 100420), (250, 80336), (400, 50210), (500, 40168), (800, 25105), (1000, 20084), (2000, 10042), (4000, 5021)]