8289760

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 19758816

約数和(自身を除く): 11469056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 263, 394, 526, 788, 985, 1052, 1315, 1576, 1970, 2104, 2630, 3152, 3940, 4208, 5260, 6304, 7880, 8416, 10520, 15760, 21040, 31520, 42080, 51811, 103622, 207244, 259055, 414488, 518110, 828976, 1036220, 1657952, 2072440, 4144880, 8289760]

約数ペア:

[(1, 8289760), (2, 4144880), (4, 2072440), (5, 1657952), (8, 1036220), (10, 828976), (16, 518110), (20, 414488), (32, 259055), (40, 207244), (80, 103622), (160, 51811), (197, 42080), (263, 31520), (394, 21040), (526, 15760), (788, 10520), (985, 8416), (1052, 7880), (1315, 6304), (1576, 5260), (1970, 4208), (2104, 3940), (2630, 3152)]