80698940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576421}}^1$

素因数の和:576437

約数の個数: 24

約数和(自身を含む): 193677792

約数和(自身を除く): 112978852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576421, 1152842, 2305684, 2882105, 4034947, 5764210, 8069894, 11528420, 16139788, 20174735, 40349470, 80698940]

約数ペア:

[(1, 80698940), (2, 40349470), (4, 20174735), (5, 16139788), (7, 11528420), (10, 8069894), (14, 5764210), (20, 4034947), (28, 2882105), (35, 2305684), (70, 1152842), (140, 576421)]