87681470

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{19973}}^1$

素因数の和:20419

約数の個数: 16

約数和(自身を含む): 158194080

約数和(自身を除く): 70512610

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 19973, 39946, 99865, 199730, 8768147, 17536294, 43840735, 87681470]

約数ペア:

[(1, 87681470), (2, 43840735), (5, 17536294), (10, 8768147), (439, 199730), (878, 99865), (2195, 39946), (4390, 19973)]