47961640

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1361}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 108115560

約数和(自身を除く): 60153920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1361, 1762, 2722, 3524, 4405, 5444, 6805, 7048, 8810, 10888, 13610, 17620, 27220, 35240, 54440, 1199041, 2398082, 4796164, 5995205, 9592328, 11990410, 23980820, 47961640]

約数ペア:

[(1, 47961640), (2, 23980820), (4, 11990410), (5, 9592328), (8, 5995205), (10, 4796164), (20, 2398082), (40, 1199041), (881, 54440), (1361, 35240), (1762, 27220), (2722, 17620), (3524, 13610), (4405, 10888), (5444, 8810), (6805, 7048)]