67239280

素因数分解:

$2^4\times 5^1\times {\mathrm{840491}}^1$

素因数の和:840504

約数の個数: 20

約数和(自身を含む): 156331512

約数和(自身を除く): 89092232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 840491, 1680982, 3361964, 4202455, 6723928, 8404910, 13447856, 16809820, 33619640, 67239280]

約数ペア:

[(1, 67239280), (2, 33619640), (4, 16809820), (5, 13447856), (8, 8404910), (10, 6723928), (16, 4202455), (20, 3361964), (40, 1680982), (80, 840491)]