11512720

素因数分解:

$2^4\times 5^1\times {\mathrm{143909}}^1$

素因数の和:143922

約数の個数: 20

約数和(自身を含む): 26767260

約数和(自身を除く): 15254540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 143909, 287818, 575636, 719545, 1151272, 1439090, 2302544, 2878180, 5756360, 11512720]

約数ペア:

[(1, 11512720), (2, 5756360), (4, 2878180), (5, 2302544), (8, 1439090), (10, 1151272), (16, 719545), (20, 575636), (40, 287818), (80, 143909)]