17211280

素因数分解:

$2^4\times 5^1\times {\mathrm{215141}}^1$

素因数の和:215154

約数の個数: 20

約数和(自身を含む): 40016412

約数和(自身を除く): 22805132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 215141, 430282, 860564, 1075705, 1721128, 2151410, 3442256, 4302820, 8605640, 17211280]

約数ペア:

[(1, 17211280), (2, 8605640), (4, 4302820), (5, 3442256), (8, 2151410), (10, 1721128), (16, 1075705), (20, 860564), (40, 430282), (80, 215141)]