40081256

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{20963}}^1$

素因数の和:21208

約数の個数: 16

約数和(自身を含む): 75470400

約数和(自身を除く): 35389144

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 20963, 41926, 83852, 167704, 5010157, 10020314, 20040628, 40081256]

約数ペア:

[(1, 40081256), (2, 20040628), (4, 10020314), (8, 5010157), (239, 167704), (478, 83852), (956, 41926), (1912, 20963)]