38489968360

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2008871}}^1$

素因数の和:2009361

約数の個数: 32

約数和(自身を含む): 86783270400

約数和(自身を除く): 48293302040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 9580, 19160, 2008871, 4017742, 8035484, 10044355, 16070968, 20088710, 40177420, 80354840, 962249209, 1924498418, 3848996836, 4811246045, 7697993672, 9622492090, 19244984180, 38489968360]

約数ペア:

[(1, 38489968360), (2, 19244984180), (4, 9622492090), (5, 7697993672), (8, 4811246045), (10, 3848996836), (20, 1924498418), (40, 962249209), (479, 80354840), (958, 40177420), (1916, 20088710), (2395, 16070968), (3832, 10044355), (4790, 8035484), (9580, 4017742), (19160, 2008871)]