23781580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27653}}^1$

素因数の和:27705

約数の個数: 24

約数和(自身を含む): 51104592

約数和(自身を除く): 27323012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 27653, 55306, 110612, 138265, 276530, 553060, 1189079, 2378158, 4756316, 5945395, 11890790, 23781580]

約数ペア:

[(1, 23781580), (2, 11890790), (4, 5945395), (5, 4756316), (10, 2378158), (20, 1189079), (43, 553060), (86, 276530), (172, 138265), (215, 110612), (430, 55306), (860, 27653)]