40016656

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61001}}^1$

素因数の和:61050

約数の個数: 20

約数和(自身を含む): 79424604

約数和(自身を除く): 39407948

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 61001, 122002, 244004, 488008, 976016, 2501041, 5002082, 10004164, 20008328, 40016656]

約数ペア:

[(1, 40016656), (2, 20008328), (4, 10004164), (8, 5002082), (16, 2501041), (41, 976016), (82, 488008), (164, 244004), (328, 122002), (656, 61001)]