812852840

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{91127}}^1$

素因数の和:91361

約数の個数: 32

約数和(自身を含む): 1837140480

約数和(自身を除く): 1024287640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 91127, 182254, 364508, 455635, 729016, 911270, 1822540, 3645080, 20321321, 40642642, 81285284, 101606605, 162570568, 203213210, 406426420, 812852840]

約数ペア:

[(1, 812852840), (2, 406426420), (4, 203213210), (5, 162570568), (8, 101606605), (10, 81285284), (20, 40642642), (40, 20321321), (223, 3645080), (446, 1822540), (892, 911270), (1115, 729016), (1784, 455635), (2230, 364508), (4460, 182254), (8920, 91127)]