20124040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26479}}^1$

素因数の和:26509

約数の個数: 32

約数和(自身を含む): 47664000

約数和(自身を除く): 27539960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26479, 52958, 105916, 132395, 211832, 264790, 503101, 529580, 1006202, 1059160, 2012404, 2515505, 4024808, 5031010, 10062020, 20124040]

約数ペア:

[(1, 20124040), (2, 10062020), (4, 5031010), (5, 4024808), (8, 2515505), (10, 2012404), (19, 1059160), (20, 1006202), (38, 529580), (40, 503101), (76, 264790), (95, 211832), (152, 132395), (190, 105916), (380, 52958), (760, 26479)]