81773480

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{2789}}^1$

素因数の和:3533

約数の個数: 32

約数和(自身を含む): 184307400

約数和(自身を除く): 102533920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2789, 2932, 3665, 5578, 5864, 7330, 11156, 13945, 14660, 22312, 27890, 29320, 55780, 111560, 2044337, 4088674, 8177348, 10221685, 16354696, 20443370, 40886740, 81773480]

約数ペア:

[(1, 81773480), (2, 40886740), (4, 20443370), (5, 16354696), (8, 10221685), (10, 8177348), (20, 4088674), (40, 2044337), (733, 111560), (1466, 55780), (2789, 29320), (2932, 27890), (3665, 22312), (5578, 14660), (5864, 13945), (7330, 11156)]