135020720

素因数分解:

$2^4\times 5^1\times {\mathrm{1687759}}^1$

素因数の和:1687772

約数の個数: 20

約数和(自身を含む): 313923360

約数和(自身を除く): 178902640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1687759, 3375518, 6751036, 8438795, 13502072, 16877590, 27004144, 33755180, 67510360, 135020720]

約数ペア:

[(1, 135020720), (2, 67510360), (4, 33755180), (5, 27004144), (8, 16877590), (10, 13502072), (16, 8438795), (20, 6751036), (40, 3375518), (80, 1687759)]