141020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 323568

約数和(自身を除く): 182548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 641, 1282, 2564, 3205, 6410, 7051, 12820, 14102, 28204, 35255, 70510, 141020]

約数ペア:

[(1, 141020), (2, 70510), (4, 35255), (5, 28204), (10, 14102), (11, 12820), (20, 7051), (22, 6410), (44, 3205), (55, 2564), (110, 1282), (220, 641)]