105787520

素因数分解:

$2^7\times 5^1\times {\mathrm{165293}}^1$

素因数の和:165312

約数の個数: 32

約数和(自身を含む): 252899820

約数和(自身を除く): 147112300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 165293, 330586, 661172, 826465, 1322344, 1652930, 2644688, 3305860, 5289376, 6611720, 10578752, 13223440, 21157504, 26446880, 52893760, 105787520]

約数ペア:

[(1, 105787520), (2, 52893760), (4, 26446880), (5, 21157504), (8, 13223440), (10, 10578752), (16, 6611720), (20, 5289376), (32, 3305860), (40, 2644688), (64, 1652930), (80, 1322344), (128, 826465), (160, 661172), (320, 330586), (640, 165293)]