84644090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 156764160

約数和(自身を除く): 72120070

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 431, 479, 862, 958, 2155, 2395, 4310, 4790, 17671, 19639, 35342, 39278, 88355, 98195, 176710, 196390, 206449, 412898, 1032245, 2064490, 8464409, 16928818, 42322045, 84644090]

約数ペア:

[(1, 84644090), (2, 42322045), (5, 16928818), (10, 8464409), (41, 2064490), (82, 1032245), (205, 412898), (410, 206449), (431, 196390), (479, 176710), (862, 98195), (958, 88355), (2155, 39278), (2395, 35342), (4310, 19639), (4790, 17671)]