40016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 20

約数和(自身を含む): 80724

約数和(自身を除く): 40708

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 2501, 5002, 10004, 20008, 40016]

約数ペア:

[(1, 40016), (2, 20008), (4, 10004), (8, 5002), (16, 2501), (41, 976), (61, 656), (82, 488), (122, 328), (164, 244)]