51716180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19739}}^1$

素因数の和:19879

約数の個数: 24

約数和(自身を含む): 109438560

約数和(自身を除く): 57722380

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 19739, 39478, 78956, 98695, 197390, 394780, 2585809, 5171618, 10343236, 12929045, 25858090, 51716180]

約数ペア:

[(1, 51716180), (2, 25858090), (4, 12929045), (5, 10343236), (10, 5171618), (20, 2585809), (131, 394780), (262, 197390), (524, 98695), (655, 78956), (1310, 39478), (2620, 19739)]