31158740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14293}}^1$

素因数の和:14411

約数の個数: 24

約数和(自身を含む): 66038280

約数和(自身を除く): 34879540

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14293, 28586, 57172, 71465, 142930, 285860, 1557937, 3115874, 6231748, 7789685, 15579370, 31158740]

約数ペア:

[(1, 31158740), (2, 15579370), (4, 7789685), (5, 6231748), (10, 3115874), (20, 1557937), (109, 285860), (218, 142930), (436, 71465), (545, 57172), (1090, 28586), (2180, 14293)]