13438040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4363}}^1$

素因数の和:4392

約数の個数: 64

約数和(自身を含む): 37704960

約数和(自身を除く): 24266920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4363, 8726, 17452, 21815, 30541, 34904, 43630, 47993, 61082, 87260, 95986, 122164, 152705, 174520, 191972, 239965, 244328, 305410, 335951, 383944, 479930, 610820, 671902, 959860, 1221640, 1343804, 1679755, 1919720, 2687608, 3359510, 6719020, 13438040]

約数ペア:

[(1, 13438040), (2, 6719020), (4, 3359510), (5, 2687608), (7, 1919720), (8, 1679755), (10, 1343804), (11, 1221640), (14, 959860), (20, 671902), (22, 610820), (28, 479930), (35, 383944), (40, 335951), (44, 305410), (55, 244328), (56, 239965), (70, 191972), (77, 174520), (88, 152705), (110, 122164), (140, 95986), (154, 87260), (220, 61082), (280, 47993), (308, 43630), (385, 34904), (440, 30541), (616, 21815), (770, 17452), (1540, 8726), (3080, 4363)]