2011021090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3557}}^1\times {\mathrm{4349}}^1$

素因数の和:7926

約数の個数: 32

約数和(自身を含む): 3900279600

約数和(自身を除く): 1889258510

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3557, 4349, 7114, 8698, 17785, 21745, 35570, 43490, 46241, 56537, 92482, 113074, 231205, 282685, 462410, 565370, 15469393, 30938786, 77346965, 154693930, 201102109, 402204218, 1005510545, 2011021090]

約数ペア:

[(1, 2011021090), (2, 1005510545), (5, 402204218), (10, 201102109), (13, 154693930), (26, 77346965), (65, 30938786), (130, 15469393), (3557, 565370), (4349, 462410), (7114, 282685), (8698, 231205), (17785, 113074), (21745, 92482), (35570, 56537), (43490, 46241)]