54109780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{24821}}^1$

素因数の和:24939

約数の個数: 24

約数和(自身を含む): 114677640

約数和(自身を除く): 60567860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 24821, 49642, 99284, 124105, 248210, 496420, 2705489, 5410978, 10821956, 13527445, 27054890, 54109780]

約数ペア:

[(1, 54109780), (2, 27054890), (4, 13527445), (5, 10821956), (10, 5410978), (20, 2705489), (109, 496420), (218, 248210), (436, 124105), (545, 99284), (1090, 49642), (2180, 24821)]