80756470

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 149579136

約数和(自身を除く): 68822666

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 431, 457, 862, 914, 2155, 2285, 4310, 4570, 17671, 18737, 35342, 37474, 88355, 93685, 176710, 187370, 196967, 393934, 984835, 1969670, 8075647, 16151294, 40378235, 80756470]

約数ペア:

[(1, 80756470), (2, 40378235), (5, 16151294), (10, 8075647), (41, 1969670), (82, 984835), (205, 393934), (410, 196967), (431, 187370), (457, 176710), (862, 93685), (914, 88355), (2155, 37474), (2285, 35342), (4310, 18737), (4570, 17671)]