31979590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{77999}}^1$

素因数の和:78047

約数の個数: 16

約数和(自身を含む): 58968000

約数和(自身を除く): 26988410

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 77999, 155998, 389995, 779990, 3197959, 6395918, 15989795, 31979590]

約数ペア:

[(1, 31979590), (2, 15989795), (5, 6395918), (10, 3197959), (41, 779990), (82, 389995), (205, 155998), (410, 77999)]