12825475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 18887680

約数和(自身を除く): 6062205

約数列:

[1, 5, 13, 19, 25, 31, 65, 67, 95, 155, 247, 325, 335, 403, 475, 589, 775, 871, 1235, 1273, 1675, 2015, 2077, 2945, 4355, 6175, 6365, 7657, 10075, 10385, 14725, 16549, 21775, 27001, 31825, 38285, 39463, 51925, 82745, 135005, 191425, 197315, 413725, 513019, 675025, 986575, 2565095, 12825475]

約数ペア:

[(1, 12825475), (5, 2565095), (13, 986575), (19, 675025), (25, 513019), (31, 413725), (65, 197315), (67, 191425), (95, 135005), (155, 82745), (247, 51925), (325, 39463), (335, 38285), (403, 31825), (475, 27001), (589, 21775), (775, 16549), (871, 14725), (1235, 10385), (1273, 10075), (1675, 7657), (2015, 6365), (2077, 6175), (2945, 4355)]