40249144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20369}}^1$

素因数の和:20407

約数の個数: 32

約数和(自身を含む): 85554000

約数和(自身を除く): 45304856

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20369, 40738, 81476, 162952, 264797, 387011, 529594, 774022, 1059188, 1548044, 2118376, 3096088, 5031143, 10062286, 20124572, 40249144]

約数ペア:

[(1, 40249144), (2, 20124572), (4, 10062286), (8, 5031143), (13, 3096088), (19, 2118376), (26, 1548044), (38, 1059188), (52, 774022), (76, 529594), (104, 387011), (152, 264797), (247, 162952), (494, 81476), (988, 40738), (1976, 20369)]