4118020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1889}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 8731800

約数和(自身を除く): 4613780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1889, 2180, 3778, 7556, 9445, 18890, 37780, 205901, 411802, 823604, 1029505, 2059010, 4118020]

約数ペア:

[(1, 4118020), (2, 2059010), (4, 1029505), (5, 823604), (10, 411802), (20, 205901), (109, 37780), (218, 18890), (436, 9445), (545, 7556), (1090, 3778), (1889, 2180)]