38400540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{640009}}^1$

素因数の和:640021

約数の個数: 24

約数和(自身を含む): 107521680

約数和(自身を除く): 69121140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 640009, 1280018, 1920027, 2560036, 3200045, 3840054, 6400090, 7680108, 9600135, 12800180, 19200270, 38400540]

約数ペア:

[(1, 38400540), (2, 19200270), (3, 12800180), (4, 9600135), (5, 7680108), (6, 6400090), (10, 3840054), (12, 3200045), (15, 2560036), (20, 1920027), (30, 1280018), (60, 640009)]