145203920

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3727}}^1$

素因数の和:4227

約数の個数: 40

約数和(自身を含む): 338383104

約数和(自身を除く): 193179184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1948, 2435, 3727, 3896, 4870, 7454, 7792, 9740, 14908, 18635, 19480, 29816, 37270, 38960, 59632, 74540, 149080, 298160, 1815049, 3630098, 7260196, 9075245, 14520392, 18150490, 29040784, 36300980, 72601960, 145203920]

約数ペア:

[(1, 145203920), (2, 72601960), (4, 36300980), (5, 29040784), (8, 18150490), (10, 14520392), (16, 9075245), (20, 7260196), (40, 3630098), (80, 1815049), (487, 298160), (974, 149080), (1948, 74540), (2435, 59632), (3727, 38960), (3896, 37270), (4870, 29816), (7454, 19480), (7792, 18635), (9740, 14908)]