71444020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{18133}}^1$

素因数の和:18339

約数の個数: 24

約数和(自身を含む): 150802344

約数和(自身を除く): 79358324

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 18133, 36266, 72532, 90665, 181330, 362660, 3572201, 7144402, 14288804, 17861005, 35722010, 71444020]

約数ペア:

[(1, 71444020), (2, 35722010), (4, 17861005), (5, 14288804), (10, 7144402), (20, 3572201), (197, 362660), (394, 181330), (788, 90665), (985, 72532), (1970, 36266), (3940, 18133)]