27887380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 33076460

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 479, 710, 820, 958, 1420, 1916, 2395, 2911, 4790, 5822, 9580, 11644, 14555, 19639, 29110, 34009, 39278, 58220, 68018, 78556, 98195, 136036, 170045, 196390, 340090, 392780, 680180, 1394369, 2788738, 5577476, 6971845, 13943690, 27887380]

約数ペア:

[(1, 27887380), (2, 13943690), (4, 6971845), (5, 5577476), (10, 2788738), (20, 1394369), (41, 680180), (71, 392780), (82, 340090), (142, 196390), (164, 170045), (205, 136036), (284, 98195), (355, 78556), (410, 68018), (479, 58220), (710, 39278), (820, 34009), (958, 29110), (1420, 19639), (1916, 14555), (2395, 11644), (2911, 9580), (4790, 5822)]