40130278

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1943

約数の個数: 16

約数和(自身を含む): 61372080

約数和(自身を除く): 21241802

約数列:

[1, 2, 89, 131, 178, 262, 1721, 3442, 11659, 23318, 153169, 225451, 306338, 450902, 20065139, 40130278]

約数ペア:

[(1, 40130278), (2, 20065139), (89, 450902), (131, 306338), (178, 225451), (262, 153169), (1721, 23318), (3442, 11659)]