66451480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^2$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 152165520

約数和(自身を除く): 85714040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 127, 206, 254, 412, 508, 515, 635, 824, 1016, 1030, 1270, 2060, 2540, 4120, 5080, 13081, 16129, 26162, 32258, 52324, 64516, 65405, 80645, 104648, 129032, 130810, 161290, 261620, 322580, 523240, 645160, 1661287, 3322574, 6645148, 8306435, 13290296, 16612870, 33225740, 66451480]

約数ペア:

[(1, 66451480), (2, 33225740), (4, 16612870), (5, 13290296), (8, 8306435), (10, 6645148), (20, 3322574), (40, 1661287), (103, 645160), (127, 523240), (206, 322580), (254, 261620), (412, 161290), (508, 130810), (515, 129032), (635, 104648), (824, 80645), (1016, 65405), (1030, 64516), (1270, 52324), (2060, 32258), (2540, 26162), (4120, 16129), (5080, 13081)]