12328040

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{991}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 27855360

約数和(自身を除く): 15527320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 991, 1244, 1555, 1982, 2488, 3110, 3964, 4955, 6220, 7928, 9910, 12440, 19820, 39640, 308201, 616402, 1232804, 1541005, 2465608, 3082010, 6164020, 12328040]

約数ペア:

[(1, 12328040), (2, 6164020), (4, 3082010), (5, 2465608), (8, 1541005), (10, 1232804), (20, 616402), (40, 308201), (311, 39640), (622, 19820), (991, 12440), (1244, 9910), (1555, 7928), (1982, 6220), (2488, 4955), (3110, 3964)]