486511280

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{23663}}^1$

素因数の和:23933

約数の個数: 40

約数和(自身を含む): 1135588032

約数和(自身を除く): 649076752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 23663, 47326, 94652, 118315, 189304, 236630, 378608, 473260, 946520, 1893040, 6081391, 12162782, 24325564, 30406955, 48651128, 60813910, 97302256, 121627820, 243255640, 486511280]

約数ペア:

[(1, 486511280), (2, 243255640), (4, 121627820), (5, 97302256), (8, 60813910), (10, 48651128), (16, 30406955), (20, 24325564), (40, 12162782), (80, 6081391), (257, 1893040), (514, 946520), (1028, 473260), (1285, 378608), (2056, 236630), (2570, 189304), (4112, 118315), (5140, 94652), (10280, 47326), (20560, 23663)]