16004200

素因数分解:

$2^3\times 5^2\times {\mathrm{80021}}^1$

素因数の和:80037

約数の個数: 24

約数和(自身を含む): 37210230

約数和(自身を除く): 21206030

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 80021, 160042, 320084, 400105, 640168, 800210, 1600420, 2000525, 3200840, 4001050, 8002100, 16004200]

約数ペア:

[(1, 16004200), (2, 8002100), (4, 4001050), (5, 3200840), (8, 2000525), (10, 1600420), (20, 800210), (25, 640168), (40, 400105), (50, 320084), (100, 160042), (200, 80021)]