1401320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 3217320

約数和(自身を除く): 1816000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 661, 1060, 1322, 2120, 2644, 3305, 5288, 6610, 13220, 26440, 35033, 70066, 140132, 175165, 280264, 350330, 700660, 1401320]

約数ペア:

[(1, 1401320), (2, 700660), (4, 350330), (5, 280264), (8, 175165), (10, 140132), (20, 70066), (40, 35033), (53, 26440), (106, 13220), (212, 6610), (265, 5288), (424, 3305), (530, 2644), (661, 2120), (1060, 1322)]