9780781625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{17627}}^1$

素因数の和:17858

約数の個数: 32

約数和(自身を含む): 12803851008

約数和(自身を除く): 3023069383

約数列:

[1, 5, 23, 25, 115, 125, 193, 575, 965, 2875, 4439, 4825, 17627, 22195, 24125, 88135, 110975, 405421, 440675, 554875, 2027105, 2203375, 3402011, 10135525, 17010055, 50677625, 78246253, 85050275, 391231265, 425251375, 1956156325, 9780781625]

約数ペア:

[(1, 9780781625), (5, 1956156325), (23, 425251375), (25, 391231265), (115, 85050275), (125, 78246253), (193, 50677625), (575, 17010055), (965, 10135525), (2875, 3402011), (4439, 2203375), (4825, 2027105), (17627, 554875), (22195, 440675), (24125, 405421), (88135, 110975)]