40290542

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:971

約数の個数: 16

約数和(自身を含む): 61274400

約数和(自身を除く): 20983858

約数列:

[1, 2, 109, 218, 421, 439, 842, 878, 45889, 47851, 91778, 95702, 184819, 369638, 20145271, 40290542]

約数ペア:

[(1, 40290542), (2, 20145271), (109, 369638), (218, 184819), (421, 95702), (439, 91778), (842, 47851), (878, 45889)]