40505264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{133241}}^1$

素因数の和:133268

約数の個数: 20

約数和(自身を含む): 82610040

約数和(自身を除く): 42104776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 133241, 266482, 532964, 1065928, 2131856, 2531579, 5063158, 10126316, 20252632, 40505264]

約数ペア:

[(1, 40505264), (2, 20252632), (4, 10126316), (8, 5063158), (16, 2531579), (19, 2131856), (38, 1065928), (76, 532964), (152, 266482), (304, 133241)]