80571424

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{12781}}^1$

素因数の和:12988

約数の個数: 24

約数和(自身を含む): 159442668

約数和(自身を除く): 78871244

約数列:

[1, 2, 4, 8, 16, 32, 197, 394, 788, 1576, 3152, 6304, 12781, 25562, 51124, 102248, 204496, 408992, 2517857, 5035714, 10071428, 20142856, 40285712, 80571424]

約数ペア:

[(1, 80571424), (2, 40285712), (4, 20142856), (8, 10071428), (16, 5035714), (32, 2517857), (197, 408992), (394, 204496), (788, 102248), (1576, 51124), (3152, 25562), (6304, 12781)]