39450440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 53861560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 479, 568, 580, 710, 958, 1160, 1420, 1916, 2059, 2395, 2840, 3832, 4118, 4790, 8236, 9580, 10295, 13891, 16472, 19160, 20590, 27782, 34009, 41180, 55564, 68018, 69455, 82360, 111128, 136036, 138910, 170045, 272072, 277820, 340090, 555640, 680180, 986261, 1360360, 1972522, 3945044, 4931305, 7890088, 9862610, 19725220, 39450440]

約数ペア:

[(1, 39450440), (2, 19725220), (4, 9862610), (5, 7890088), (8, 4931305), (10, 3945044), (20, 1972522), (29, 1360360), (40, 986261), (58, 680180), (71, 555640), (116, 340090), (142, 277820), (145, 272072), (232, 170045), (284, 138910), (290, 136036), (355, 111128), (479, 82360), (568, 69455), (580, 68018), (710, 55564), (958, 41180), (1160, 34009), (1420, 27782), (1916, 20590), (2059, 19160), (2395, 16472), (2840, 13891), (3832, 10295), (4118, 9580), (4790, 8236)]