40721288

素因数分解:

$2^3\times {\mathrm{241}}^1\times {\mathrm{21121}}^1$

素因数の和:21368

約数の個数: 16

約数和(自身を含む): 76672860

約数和(自身を除く): 35951572

約数列:

[1, 2, 4, 8, 241, 482, 964, 1928, 21121, 42242, 84484, 168968, 5090161, 10180322, 20360644, 40721288]

約数ペア:

[(1, 40721288), (2, 20360644), (4, 10180322), (8, 5090161), (241, 168968), (482, 84484), (964, 42242), (1928, 21121)]