81239410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{1117}}^1$

素因数の和:2170

約数の個数: 32

約数和(自身を含む): 167431680

約数和(自身を除く): 86192270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1039, 1117, 2078, 2234, 5195, 5585, 7273, 7819, 10390, 11170, 14546, 15638, 36365, 39095, 72730, 78190, 1160563, 2321126, 5802815, 8123941, 11605630, 16247882, 40619705, 81239410]

約数ペア:

[(1, 81239410), (2, 40619705), (5, 16247882), (7, 11605630), (10, 8123941), (14, 5802815), (35, 2321126), (70, 1160563), (1039, 78190), (1117, 72730), (2078, 39095), (2234, 36365), (5195, 15638), (5585, 14546), (7273, 11170), (7819, 10390)]