13241320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3037}}^1$

素因数の和:3157

約数の個数: 32

約数和(自身を含む): 30076200

約数和(自身を除く): 16834880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3037, 4360, 6074, 12148, 15185, 24296, 30370, 60740, 121480, 331033, 662066, 1324132, 1655165, 2648264, 3310330, 6620660, 13241320]

約数ペア:

[(1, 13241320), (2, 6620660), (4, 3310330), (5, 2648264), (8, 1655165), (10, 1324132), (20, 662066), (40, 331033), (109, 121480), (218, 60740), (436, 30370), (545, 24296), (872, 15185), (1090, 12148), (2180, 6074), (3037, 4360)]