5605640

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 12680280

約数和(自身を除く): 7074640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 397, 706, 794, 1412, 1588, 1765, 1985, 2824, 3176, 3530, 3970, 7060, 7940, 14120, 15880, 140141, 280282, 560564, 700705, 1121128, 1401410, 2802820, 5605640]

約数ペア:

[(1, 5605640), (2, 2802820), (4, 1401410), (5, 1121128), (8, 700705), (10, 560564), (20, 280282), (40, 140141), (353, 15880), (397, 14120), (706, 7940), (794, 7060), (1412, 3970), (1588, 3530), (1765, 3176), (1985, 2824)]