16136840

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{709}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 36423000

約数和(自身を除く): 20286160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 709, 1138, 1418, 2276, 2836, 2845, 3545, 4552, 5672, 5690, 7090, 11380, 14180, 22760, 28360, 403421, 806842, 1613684, 2017105, 3227368, 4034210, 8068420, 16136840]

約数ペア:

[(1, 16136840), (2, 8068420), (4, 4034210), (5, 3227368), (8, 2017105), (10, 1613684), (20, 806842), (40, 403421), (569, 28360), (709, 22760), (1138, 14180), (1418, 11380), (2276, 7090), (2836, 5690), (2845, 5672), (3545, 4552)]