135996880

素因数分解:

$2^4\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1979}}^1$

素因数の和:2851

約数の個数: 40

約数和(自身を含む): 316720800

約数和(自身を除く): 180723920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 1718, 1979, 3436, 3958, 4295, 6872, 7916, 8590, 9895, 13744, 15832, 17180, 19790, 31664, 34360, 39580, 68720, 79160, 158320, 1699961, 3399922, 6799844, 8499805, 13599688, 16999610, 27199376, 33999220, 67998440, 135996880]

約数ペア:

[(1, 135996880), (2, 67998440), (4, 33999220), (5, 27199376), (8, 16999610), (10, 13599688), (16, 8499805), (20, 6799844), (40, 3399922), (80, 1699961), (859, 158320), (1718, 79160), (1979, 68720), (3436, 39580), (3958, 34360), (4295, 31664), (6872, 19790), (7916, 17180), (8590, 15832), (9895, 13744)]