80407556

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{827}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 142813440

約数和(自身を除く): 62405884

約数列:

[1, 2, 4, 109, 218, 223, 436, 446, 827, 892, 1654, 3308, 24307, 48614, 90143, 97228, 180286, 184421, 360572, 368842, 737684, 20101889, 40203778, 80407556]

約数ペア:

[(1, 80407556), (2, 40203778), (4, 20101889), (109, 737684), (218, 368842), (223, 360572), (436, 184421), (446, 180286), (827, 97228), (892, 90143), (1654, 48614), (3308, 24307)]