40439140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{288851}}^1$

素因数の和:288867

約数の個数: 24

約数和(自身を含む): 97054272

約数和(自身を除く): 56615132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 288851, 577702, 1155404, 1444255, 2021957, 2888510, 4043914, 5777020, 8087828, 10109785, 20219570, 40439140]

約数ペア:

[(1, 40439140), (2, 20219570), (4, 10109785), (5, 8087828), (7, 5777020), (10, 4043914), (14, 2888510), (20, 2021957), (28, 1444255), (35, 1155404), (70, 577702), (140, 288851)]