13431580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8501}}^1$

素因数の和:8589

約数の個数: 24

約数和(自身を含む): 28566720

約数和(自身を除く): 15135140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8501, 17002, 34004, 42505, 85010, 170020, 671579, 1343158, 2686316, 3357895, 6715790, 13431580]

約数ペア:

[(1, 13431580), (2, 6715790), (4, 3357895), (5, 2686316), (10, 1343158), (20, 671579), (79, 170020), (158, 85010), (316, 42505), (395, 34004), (790, 17002), (1580, 8501)]