201640840

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{4513}}^1$

素因数の和:5641

約数の個数: 32

約数和(自身を含む): 454198680

約数和(自身を除く): 252557840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 2234, 4468, 4513, 5585, 8936, 9026, 11170, 18052, 22340, 22565, 36104, 44680, 45130, 90260, 180520, 5041021, 10082042, 20164084, 25205105, 40328168, 50410210, 100820420, 201640840]

約数ペア:

[(1, 201640840), (2, 100820420), (4, 50410210), (5, 40328168), (8, 25205105), (10, 20164084), (20, 10082042), (40, 5041021), (1117, 180520), (2234, 90260), (4468, 45130), (4513, 44680), (5585, 36104), (8936, 22565), (9026, 22340), (11170, 18052)]