66450760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15241}}^1$

素因数の和:15361

約数の個数: 32

約数和(自身を含む): 150895800

約数和(自身を除く): 84445040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15241, 30482, 60964, 76205, 121928, 152410, 304820, 609640, 1661269, 3322538, 6645076, 8306345, 13290152, 16612690, 33225380, 66450760]

約数ペア:

[(1, 66450760), (2, 33225380), (4, 16612690), (5, 13290152), (8, 8306345), (10, 6645076), (20, 3322538), (40, 1661269), (109, 609640), (218, 304820), (436, 152410), (545, 121928), (872, 76205), (1090, 60964), (2180, 30482), (4360, 15241)]