40664336

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{4451}}^1$

素因数の和:5030

約数の個数: 20

約数和(自身を含む): 78942864

約数和(自身を除く): 38278528

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 4451, 4568, 8902, 9136, 17804, 35608, 71216, 2541521, 5083042, 10166084, 20332168, 40664336]

約数ペア:

[(1, 40664336), (2, 20332168), (4, 10166084), (8, 5083042), (16, 2541521), (571, 71216), (1142, 35608), (2284, 17804), (4451, 9136), (4568, 8902)]