13815080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2521}}^1$

素因数の和:2669

約数の個数: 32

約数和(自身を含む): 31323240

約数和(自身を除く): 17508160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2521, 2740, 5042, 5480, 10084, 12605, 20168, 25210, 50420, 100840, 345377, 690754, 1381508, 1726885, 2763016, 3453770, 6907540, 13815080]

約数ペア:

[(1, 13815080), (2, 6907540), (4, 3453770), (5, 2763016), (8, 1726885), (10, 1381508), (20, 690754), (40, 345377), (137, 100840), (274, 50420), (548, 25210), (685, 20168), (1096, 12605), (1370, 10084), (2521, 5480), (2740, 5042)]