86666180

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{18131}}^1$

素因数の和:18379

約数の個数: 24

約数和(自身を含む): 182770560

約数和(自身を除く): 96104380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 18131, 36262, 72524, 90655, 181310, 362620, 4333309, 8666618, 17333236, 21666545, 43333090, 86666180]

約数ペア:

[(1, 86666180), (2, 43333090), (4, 21666545), (5, 17333236), (10, 8666618), (20, 4333309), (239, 362620), (478, 181310), (956, 90655), (1195, 72524), (2390, 36262), (4780, 18131)]