66503480

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1567}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 149869440

約数和(自身を除く): 83365960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 1567, 2122, 3134, 4244, 5305, 6268, 7835, 8488, 10610, 12536, 15670, 21220, 31340, 42440, 62680, 1662587, 3325174, 6650348, 8312935, 13300696, 16625870, 33251740, 66503480]

約数ペア:

[(1, 66503480), (2, 33251740), (4, 16625870), (5, 13300696), (8, 8312935), (10, 6650348), (20, 3325174), (40, 1662587), (1061, 62680), (1567, 42440), (2122, 31340), (3134, 21220), (4244, 15670), (5305, 12536), (6268, 10610), (7835, 8488)]