12440781700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1321}}^1\times {\mathrm{2297}}^1$

素因数の和:3673

約数の個数: 72

約数和(自身を含む): 27687930984

約数和(自身を除く): 15247149284

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1321, 2050, 2297, 2642, 4100, 4594, 5284, 6605, 9188, 11485, 13210, 22970, 26420, 33025, 45940, 54161, 57425, 66050, 94177, 108322, 114850, 132100, 188354, 216644, 229700, 270805, 376708, 470885, 541610, 941770, 1083220, 1354025, 1883540, 2354425, 2708050, 3034337, 4708850, 5416100, 6068674, 9417700, 12137348, 15171685, 30343370, 60686740, 75858425, 124407817, 151716850, 248815634, 303433700, 497631268, 622039085, 1244078170, 2488156340, 3110195425, 6220390850, 12440781700]

約数ペア:

[(1, 12440781700), (2, 6220390850), (4, 3110195425), (5, 2488156340), (10, 1244078170), (20, 622039085), (25, 497631268), (41, 303433700), (50, 248815634), (82, 151716850), (100, 124407817), (164, 75858425), (205, 60686740), (410, 30343370), (820, 15171685), (1025, 12137348), (1321, 9417700), (2050, 6068674), (2297, 5416100), (2642, 4708850), (4100, 3034337), (4594, 2708050), (5284, 2354425), (6605, 1883540), (9188, 1354025), (11485, 1083220), (13210, 941770), (22970, 541610), (26420, 470885), (33025, 376708), (45940, 270805), (54161, 229700), (57425, 216644), (66050, 188354), (94177, 132100), (108322, 114850)]