40644040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53479}}^1$

素因数の和:53509

約数の個数: 32

約数和(自身を含む): 96264000

約数和(自身を除く): 55619960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 53479, 106958, 213916, 267395, 427832, 534790, 1016101, 1069580, 2032202, 2139160, 4064404, 5080505, 8128808, 10161010, 20322020, 40644040]

約数ペア:

[(1, 40644040), (2, 20322020), (4, 10161010), (5, 8128808), (8, 5080505), (10, 4064404), (19, 2139160), (20, 2032202), (38, 1069580), (40, 1016101), (76, 534790), (95, 427832), (152, 267395), (190, 213916), (380, 106958), (760, 53479)]