8651920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1303}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 20373696

約数和(自身を除く): 11721776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1303, 1328, 1660, 2606, 3320, 5212, 6515, 6640, 10424, 13030, 20848, 26060, 52120, 104240, 108149, 216298, 432596, 540745, 865192, 1081490, 1730384, 2162980, 4325960, 8651920]

約数ペア:

[(1, 8651920), (2, 4325960), (4, 2162980), (5, 1730384), (8, 1081490), (10, 865192), (16, 540745), (20, 432596), (40, 216298), (80, 108149), (83, 104240), (166, 52120), (332, 26060), (415, 20848), (664, 13030), (830, 10424), (1303, 6640), (1328, 6515), (1660, 5212), (2606, 3320)]