20141840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3187}}^1$

素因数の和:3279

約数の個数: 40

約数和(自身を含む): 47437440

約数和(自身を除く): 27295600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 3187, 6320, 6374, 12748, 15935, 25496, 31870, 50992, 63740, 127480, 251773, 254960, 503546, 1007092, 1258865, 2014184, 2517730, 4028368, 5035460, 10070920, 20141840]

約数ペア:

[(1, 20141840), (2, 10070920), (4, 5035460), (5, 4028368), (8, 2517730), (10, 2014184), (16, 1258865), (20, 1007092), (40, 503546), (79, 254960), (80, 251773), (158, 127480), (316, 63740), (395, 50992), (632, 31870), (790, 25496), (1264, 15935), (1580, 12748), (3160, 6374), (3187, 6320)]