66737780

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{3631}}^1$

素因数の和:4559

約数の個数: 24

約数和(自身を含む): 140340480

約数和(自身を除く): 73602700

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 3631, 3676, 4595, 7262, 9190, 14524, 18155, 18380, 36310, 72620, 3336889, 6673778, 13347556, 16684445, 33368890, 66737780]

約数ペア:

[(1, 66737780), (2, 33368890), (4, 16684445), (5, 13347556), (10, 6673778), (20, 3336889), (919, 72620), (1838, 36310), (3631, 18380), (3676, 18155), (4595, 14524), (7262, 9190)]