66489580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{26177}}^1$

素因数の和:26313

約数の個数: 24

約数和(自身を含む): 140732928

約数和(自身を除く): 74243348

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 26177, 52354, 104708, 130885, 261770, 523540, 3324479, 6648958, 13297916, 16622395, 33244790, 66489580]

約数ペア:

[(1, 66489580), (2, 33244790), (4, 16622395), (5, 13297916), (10, 6648958), (20, 3324479), (127, 523540), (254, 261770), (508, 130885), (635, 104708), (1270, 52354), (2540, 26177)]