9802720

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 23351328

約数和(自身を除く): 13548608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 311, 394, 622, 788, 985, 1244, 1555, 1576, 1970, 2488, 3110, 3152, 3940, 4976, 6220, 6304, 7880, 9952, 12440, 15760, 24880, 31520, 49760, 61267, 122534, 245068, 306335, 490136, 612670, 980272, 1225340, 1960544, 2450680, 4901360, 9802720]

約数ペア:

[(1, 9802720), (2, 4901360), (4, 2450680), (5, 1960544), (8, 1225340), (10, 980272), (16, 612670), (20, 490136), (32, 306335), (40, 245068), (80, 122534), (160, 61267), (197, 49760), (311, 31520), (394, 24880), (622, 15760), (788, 12440), (985, 9952), (1244, 7880), (1555, 6304), (1576, 6220), (1970, 4976), (2488, 3940), (3110, 3152)]