80440775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 113088000

約数和(自身を除く): 32647225

約数列:

[1, 5, 19, 23, 25, 37, 95, 115, 185, 199, 437, 475, 575, 703, 851, 925, 995, 2185, 3515, 3781, 4255, 4577, 4975, 7363, 10925, 16169, 17575, 18905, 21275, 22885, 36815, 80845, 86963, 94525, 114425, 139897, 169349, 184075, 404225, 434815, 699485, 846745, 2174075, 3217631, 3497425, 4233725, 16088155, 80440775]

約数ペア:

[(1, 80440775), (5, 16088155), (19, 4233725), (23, 3497425), (25, 3217631), (37, 2174075), (95, 846745), (115, 699485), (185, 434815), (199, 404225), (437, 184075), (475, 169349), (575, 139897), (703, 114425), (851, 94525), (925, 86963), (995, 80845), (2185, 36815), (3515, 22885), (3781, 21275), (4255, 18905), (4577, 17575), (4975, 16169), (7363, 10925)]