63786816920

素因数分解:

$2^3\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{796141}}^1$

素因数の和:798155

約数の個数: 32

約数和(自身を含む): 143592171120

約数和(自身を除く): 79805354200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2003, 4006, 8012, 10015, 16024, 20030, 40060, 80120, 796141, 1592282, 3184564, 3980705, 6369128, 7961410, 15922820, 31845640, 1594670423, 3189340846, 6378681692, 7973352115, 12757363384, 15946704230, 31893408460, 63786816920]

約数ペア:

[(1, 63786816920), (2, 31893408460), (4, 15946704230), (5, 12757363384), (8, 7973352115), (10, 6378681692), (20, 3189340846), (40, 1594670423), (2003, 31845640), (4006, 15922820), (8012, 7961410), (10015, 6369128), (16024, 3980705), (20030, 3184564), (40060, 1592282), (80120, 796141)]